CVE-2007-3725
Description
The RAR VM (unrarvm.c) in Clam Antivirus (ClamAV) before 0.91 allows user-assisted remote attackers to cause a denial of service (crash) via a crafted RAR archive, resulting in a NULL pointer dereference.
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
ClamAV / UnRAR - .RAR Handling Remote Null Pointer Dereference
source: https://www.securityfocus.com/bid/24866/info
Multiple applications using RAR are prone to a NULL-pointer dereference vulnerability.
A successful attack will result in denial-of-service conditions. Attackers may also be able to exploit this issue to execute arbitrary code, but this has not been confirmed.
This issue affects the following:
ClamAV prior to 0.91
'UnRAR' 3.70; other versions may also be vulnerable.
Other applications using the vulnerabile 'UnRAR' utility are affected by this issue. We will update this BID as more information emerges.
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/30291.rar
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 0.91-1 |
| sid | Fixed | 0.91-1 |
| forky | Fixed | 0.91-1 |
| bullseye | Fixed | 0.91-1 |
| bookworm | Fixed | 0.91-1 |
References
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.