CVE-2015-5400

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Summary

CVECVE-2015-5400
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-09-28 20:59:03 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionSquid before 3.5.6 does not properly handle CONNECT method peer responses when configured with cache_peer, which allows remote attackers to bypass intended restrictions and gain access to a backend proxy via a CONNECT request.

Risk And Classification

Primary CVSS: v2.0 6.8 from [email protected]

AV:N/AC:M/Au:N/C:P/I:P/A:P

Problem Types: CWE-264 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:M/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 7.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Fedoraproject Fedora 22 All All All
Application Squid-cache Squid All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
oss-security - Re: Squid HTTP proxy CVE request af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
openSUSE-SU-2016:2081-1: moderate: Security update for squid af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
oss-security - Re: Squid HTTP proxy CVE request af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Exploit
[SECURITY] Fedora 22 Update: libecap-1.0.0-1.fc22 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
www.squid-cache.org/Versions/v3/3.4/changesets/squid-3.4-13225.patch af854a3a-2127-422b-91ae-364da2661108 www.squid-cache.org Exploit, Vendor Advisory
oss-security - Re: Squid HTTP proxy CVE request af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
Squid Denial of Service and Security Bypass Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
www.squid-cache.org/Versions/v3/3.5/changesets/squid-3.5-13856.patch af854a3a-2127-422b-91ae-364da2661108 www.squid-cache.org Exploit, Vendor Advisory
[security-announce] SUSE-SU-2016:1996-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
www.squid-cache.org/Advisories/SQUID-2015_2.txt af854a3a-2127-422b-91ae-364da2661108 www.squid-cache.org Vendor Advisory
www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10494.patch af854a3a-2127-422b-91ae-364da2661108 www.squid-cache.org Exploit, Vendor Advisory
Squid CONNECT Method Peer Response Processing Flaw Lets Remote Users Bypass Security Controls - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
oss-security - Squid HTTP proxy CVE request af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
[security-announce] SUSE-SU-2016:2089-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Debian -- Security Information -- DSA-3327-1 squid3 af854a3a-2127-422b-91ae-364da2661108 www.debian.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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