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Last updated: 5/26/2016 4:28:05 AM

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Vulnerability Summary for CVE-2010-0639

Original release date: 02/15/2010
Last revised: 08/02/2010


The htcpHandleTstRequest function in htcp.c in Squid 2.x before 2.6.STABLE24 and 2.7 before 2.7.STABLE8, and htcp.cc in 3.0 before 3.0.STABLE24, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted packets to the HTCP port.


Per: http://cwe.mitre.org/data/definitions/476.html 'NULL Pointer Dereference'


CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 MEDIUM
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (02/16/2010)
Not vulnerable. This issue did not affect the versions of squid as shipped with Red Hat Enterprise Linux 3, 4, or 5. Those versions are not compiled with the support for HTCP protocol.

References to Advisories, Solutions, and Tools

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External Source: MISC
Name: http://www.squid-cache.org/Versions/v3/3.0/changesets/3.0-ADV-2010_2.patch
Type: Patch Information
External Source: VUPEN
Name: ADV-2010-0603
Type: Advisory
External Source: MISC
Name: http://www.squid-cache.org/Versions/v2/2.7/changesets/12600.patch
Type: Patch Information
External Source: SECTRACK
Name: 1023587
External Source: VUPEN
Name: ADV-2010-0371
Type: Advisory
External Source: FEDORA
Name: FEDORA-2010-3064
External Source: MISC
Name: http://bugs.squid-cache.org/show_bug.cgi?id=2858
External Source: CONFIRM
Name: http://www.squid-cache.org/Advisories/SQUID-2010_2.txt
Type: Advisory
External Source: BID
Name: 38212
External Source: FEDORA
Name: FEDORA-2010-2434

Technical Details

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