CVE-2013-2765
Description
The ModSecurity module before 2.7.4 for the Apache HTTP Server allows remote attackers to cause a denial of service (NULL pointer dereference, process crash, and disk consumption) via a POST request with a large body and a crafted Content-Type header.
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
ModSecurity - Remote Null Pointer Dereference
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 2.6.6-9 |
| debian | bullseye | fixed | 2.6.6-9 |
| debian | forky | fixed | 2.6.6-9 |
| debian | sid | fixed | 2.6.6-9 |
| debian | trixie | fixed | 2.6.6-9 |
| suse | 11.4 | affected | |
| suse | 12.2 | affected | |
| suse | 12.3 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| trustwave | modsecurity | {"endExcluding":"2.7.4"} | 2.7.4 |
| apache | http_server | | |
References
- http://archives.neohapsis.com/archives/bugtraq/2013-05/0125.html
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00020.html
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00025.html
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00031.html
- http://sourceforge.net/mailarchive/message.php?msg_id=30900019
- http://www.modsecurity.org/
- http://www.shookalabs.com/
- https://bugzilla.redhat.com/show_bug.cgi?id=967615
- https://github.com/SpiderLabs/ModSecurity/commit/0840b13612a0b7ef1ce7441cf811dcfc6b463fba
- https://github.com/shookalabs/exploits/blob/master/modsecurity_cve_2013_2765_check.py
- https://raw.github.com/SpiderLabs/ModSecurity/master/CHANGES
- https://security-tracker.debian.org/tracker/CVE-2013-2765
CWEs
CWE-476
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.