CVE-2017-16921
Description
In OTRS 6.0.x up to and including 6.0.1, OTRS 5.0.x up to and including 5.0.24, and OTRS 4.0.x up to and including 4.0.26, an attacker who is logged into OTRS as an agent can manipulate form parameters (related to PGP) and execute arbitrary shell commands with the permissions of the OTRS or web server user.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
OTRS 5.0.x/6.0.x - Remote Command Execution (1)
OS impact
Debian Mixed 4 releases
| Version | Status | Fixed in |
|---|---|---|
| bullseye | Fixed | 6.0.2-1 |
| 9.0 | Affected | — |
| 8.0 | Affected | — |
| 7.0 | Affected | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| otrs | otrs | 4.0.1 | |
| otrs | otrs | 4.0.2 | |
| otrs | otrs | 4.0.3 | |
| otrs | otrs | 4.0.4 | |
| otrs | otrs | 4.0.5 | |
| otrs | otrs | 4.0.6 | |
| otrs | otrs | 4.0.7 | |
| otrs | otrs | 4.0.8 | |
| otrs | otrs | 4.0.9 | |
| otrs | otrs | 4.0.10 | |
| otrs | otrs | 4.0.11 | |
| otrs | otrs | 4.0.12 | |
| otrs | otrs | 4.0.13 | |
| otrs | otrs | 4.0.14 | |
| otrs | otrs | 4.0.15 | |
| otrs | otrs | 4.0.16 | |
| otrs | otrs | 4.0.17 | |
| otrs | otrs | 4.0.18 | |
| otrs | otrs | 4.0.19 | |
| otrs | otrs | 4.0.20 | |
| otrs | otrs | 4.0.21 | |
| otrs | otrs | 4.0.22 | |
| otrs | otrs | 4.0.23 | |
| otrs | otrs | 4.0.24 | |
| otrs | otrs | 4.0.25 | |
| otrs | otrs | 4.0.26 | |
| otrs | otrs | 5.0.0 | |
| otrs | otrs | 5.0.1 | |
| otrs | otrs | 5.0.2 | |
| otrs | otrs | 5.0.3 | |
| otrs | otrs | 5.0.4 | |
| otrs | otrs | 5.0.5 | |
| otrs | otrs | 5.0.6 | |
| otrs | otrs | 5.0.7 | |
| otrs | otrs | 5.0.8 | |
| otrs | otrs | 5.0.9 | |
| otrs | otrs | 5.0.10 | |
| otrs | otrs | 5.0.11 | |
| otrs | otrs | 5.0.12 | |
| otrs | otrs | 5.0.13 | |
| otrs | otrs | 5.0.14 | |
| otrs | otrs | 5.0.15 | |
| otrs | otrs | 5.0.16 | |
| otrs | otrs | 5.0.17 | |
| otrs | otrs | 5.0.18 | |
| otrs | otrs | 5.0.19 | |
| otrs | otrs | 5.0.20 | |
| otrs | otrs | 5.0.21 | |
| otrs | otrs | 5.0.22 | |
| otrs | otrs | 5.0.23 | |
| otrs | otrs | 5.0.24 | |
| otrs | otrs | 6.0.0 | |
| otrs | otrs | 6.0.1 | |
References
- http://packetstormsecurity.com/files/162295/OTRS-6.0.1-Remote-Command-Execution.html
- https://lists.debian.org/debian-lts-announce/2017/12/msg00015.html
- https://www.debian.org/security/2017/dsa-4066
- https://www.exploit-db.com/exploits/43853/
- https://www.otrs.com/security-advisory-2017-09-security-update-otrs-framework/
- https://security-tracker.debian.org/tracker/CVE-2017-16921
CWEs
CWE-78
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.