CVE-2015-7808
Description
The vB_Api_Hook::decodeArguments method in vBulletin 5 Connect 5.1.2 through 5.1.9 allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via a crafted serialized object in the arguments parameter to ajax/api/hook/decodeArguments.
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.
Metasploit modules
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| vbulletin | vbulletin | 5.0.0 | |
| vbulletin | vbulletin | 5.0.1 | |
| vbulletin | vbulletin | 5.0.2 | |
| vbulletin | vbulletin | 5.0.3 | |
| vbulletin | vbulletin | 5.0.4 | |
| vbulletin | vbulletin | 5.0.5 | |
| vbulletin | vbulletin | 5.1.0 | |
| vbulletin | vbulletin | 5.1.1 | |
| vbulletin | vbulletin | 5.1.2 | |
| vbulletin | vbulletin | 5.1.3 | |
| vbulletin | vbulletin | 5.1.4 | |
| vbulletin | vbulletin | 5.1.5 | |
| vbulletin | vbulletin | 5.1.6 | |
| vbulletin | vbulletin | 5.1.7 | |
| vbulletin | vbulletin | 5.1.8 | |
| vbulletin | vbulletin | 5.1.9 | |
References
- http://blog.checkpoint.com/2015/11/05/check-point-discovers-critical-vbulletin-0-day/
- http://packetstormsecurity.com/files/134331/vBulletin-5.1.2-Unserialize-Code-Execution.html
- http://pastie.org/pastes/10527766/text?key=wq1hgkcj4afb9ipqzllsq
- http://www.rapid7.com/db/modules/exploit/multi/http/vbulletin_unserialize
- https://blog.sucuri.net/2015/11/vbulletin-exploits-in-the-wild.html
- https://www.exploit-db.com/exploits/38629/
- http://blog.checkpoint.com/2015/11/05/check-point-discovers-critical-vbulletin-0-day/
- http://packetstormsecurity.com/files/134331/vBulletin-5.1.2-Unserialize-Code-Execution.html
- http://pastie.org/pastes/10527766/text?key=wq1hgkcj4afb9ipqzllsq
- http://www.rapid7.com/db/modules/exploit/multi/http/vbulletin_unserialize
- https://blog.sucuri.net/2015/11/vbulletin-exploits-in-the-wild.html
- https://www.exploit-db.com/exploits/38629/
CWEs
CWE-20
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.