Description
Squid 2.5, when processing the configuration file, parses empty Access Control Lists (ACLs), including proxy_auth ACLs without defined auth schemes, in a way that effectively removes arguments, which could allow remote attackers to bypass intended ACLs if the administrator ignores the parser warnings.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000923 ↗
- http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE7-empty_acls ↗
- http://marc.info/?l=bugtraq&m=110901183320453&w=2 ↗
- http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE7-empty_acls.patch ↗
- http://fedoranews.org/updates/FEDORA--.shtml ↗
- http://www.squid-cache.org/bugs/show_bug.cgi?id=1166 ↗
- http://www.debian.org/security/2005/dsa-667 ↗
- http://www.kb.cert.org/vuls/id/260421 ↗