CVE-2005-0173

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 31.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2005-05-02 · updated 2026-06-16

Description

squid_ldap_auth in Squid 2.5 and earlier allows remote authenticated users to bypass username-based Access Control Lists (ACLs) via a username with a space at the beginning or end, which is ignored by the LDAP server.

Affected products

Squid: 2.0.patch1, 2.0.patch2, 2.0.pre1, 2.0.release, 2.1.patch1, 2.1.patch2 (+32)

References

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000923
http://fedoranews.org/updates/FEDORA--.shtml
http://marc.info/?l=bugtraq&m=110780531820947&w=2
http://www.debian.org/security/2005/dsa-667
http://www.kb.cert.org/vuls/id/924198
http://www.mandriva.com/security/advisories?name=MDKSA-2005:034
http://www.novell.com/linux/security/advisories/2005_06_squid.html
http://www.redhat.com/support/errata/RHSA-2005-060.html
http://www.redhat.com/support/errata/RHSA-2005-061.html
http://www.securityfocus.com/bid/12431
http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE7-ldap_spaces
http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE7-ldap_spaces.patch

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