CVE-2009-2855

Squid 2.7 - Denial of Service via Crafted Auth Header Comma Delimiters

Title source: llm
STIX 2.1

Description

The strListGetItem function in src/HttpHeaderTools.c in Squid 2.7 allows remote attackers to cause a denial of service via a crafted auth header with certain comma delimiters that trigger an infinite loop of calls to the strcspn function.

References (12)

Core 12
Core References
Vendor Advisory x_refsource_misc
http://www.squid-cache.org/bugs/show_bug.cgi?id=2704
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=518182
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/52610
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2009/08/03/3
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/36091
Issue Tracking x_refsource_confirm
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534982
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2009/08/04/6
Various Sources x_refsource_confirm
http://www.squid-cache.org/bugs/show_bug.cgi?id=2541
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1022757
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10592
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2009/07/20/10

Scores

EPSS 0.3673
EPSS Percentile 98.3%

Details

CWE
CWE-20
Status published
Products (1)
squid-cache/squid 2.7 (3 CPE variants)
Published Aug 18, 2009
Tracked Since Feb 18, 2026