CVE-2005-0194

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.

10.0

CVSS

Severity: Critical

CVSS 2.0 •

EPSS 1.01% Top 25%

Vendor Advisory com.br Vendor Advisory fedoranews.org Vendor Advisory debian.org Vendor Advisory squid-cache.org

Affected: n/a n/a

References

Link	Tags
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000923	patch vendor advisory
http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE7-empty_acls	patch
http://marc.info/?l=bugtraq&m=110901183320453&w=2	mailing list
http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE7-empty_acls.patch	patch
http://fedoranews.org/updates/FEDORA--.shtml	vendor advisory
http://www.squid-cache.org/bugs/show_bug.cgi?id=1166	vendor advisory
http://www.debian.org/security/2005/dsa-667	patch vendor advisory
http://www.kb.cert.org/vuls/id/260421	patch third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2005-0194?: CVE-2005-0194 has been scored as a critical severity vulnerability.
How to fix CVE-2005-0194?: To fix CVE-2005-0194, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2005-0194 being actively exploited in the wild?: It is possible that CVE-2005-0194 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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