National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-2621 Detail

Current Description

Squid 3.0 through 3.0.STABLE16 and 3.1 through 3.1.0.11 does not properly enforce "buffer limits and related bound checks," which allows remote attackers to cause a denial of service via (1) an incomplete request or (2) a request with a large header size, related to (a) HttpMsg.cc and (b) client_side.cc.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (08/06/2009)

Not vulnerable. This issue did not affect the versions of squid as shipped with Red Hat Enterprise Linux 3, 4, or 5.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2009:161
http://www.mandriva.com/security/advisories?name=MDVSA-2009:178
http://www.securityfocus.com/bid/35812
http://www.securitytracker.com/id?1022607
http://www.squid-cache.org/Advisories/SQUID-2009_2.txt Vendor Advisory
http://www.squid-cache.org/Versions/v3/3.1/changesets/b9654.patch Patch
http://www.vupen.com/english/advisories/2009/2013

Technical Details

Vulnerability Type (View All)

  • Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119)

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/a:squid-cache:squid:3.0::pre1
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::pre2
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::pre3
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::pre4
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::pre5
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::pre6
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::pre7
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::stable1
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::stable10
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::stable11
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::stable12
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::stable13
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::stable14
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::stable15
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::stable2
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::stable3
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::stable4
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::stable5
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::stable6
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::stable7
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::stable8
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0::stable9
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0:rc1:stable11
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.0:rc4
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.1
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.1.0.1
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.1.0.2
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.1.0.3
     Show Matching CPE(s)
 cpe:/a:squid-cache:squid:3.1.0.4
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-2621
NVD Published Date:
07/28/2009
NVD Last Modified:
08/12/2009