CVE-2017-7220. OpenText Documentum Content Server: privilege evaluation using crafted RPC save-commands.

CVE Identifier: CVE-2017-7220
Vendor: OpenText
Affected products: OpenText  Documentum Content Server (all versions)
Researcher: Andrey B. Panfilov
Severity Rating: CVSS v3 Base Score: 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Fix: not available
PoC:

https://gist.github.com/andreybpanfilov/d8792484e13971982c0719ae59ab8c7c
https://gist.github.com/andreybpanfilov/e0e60ae9d525a34cca04eb4c89a21e04


Description:

Initially this vulnerability was discovered in 2013 and was tracked by CERT/CC as VRF#HUFG9EBA (https://www.kb.cert.org/vuls/id/315340), vendor had undertaken a couple of attempts to remediate security flaw (see CVE-2014-2514 and http://seclists.org/bugtraq/2015/Aug/111 for complete description), but all of them was wrong. The issue still persists in all versions of Documentum Content Server.

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Regards,
Andrey B. Panfilov