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Vulnerability Summary for CVE-2012-2942

Original release date: 05/27/2012
Last revised: 08/21/2013


Buffer overflow in the trash buffer in the header capture functionality in HAProxy before 1.4.21, when global.tune.bufsize is set to a value greater than the default and header rewriting is enabled, allows remote attackers to cause a denial of service and possibly execute arbitrary code via unspecified vectors.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.1 MEDIUM
Impact Subscore: 6.4
Exploitability Subscore: 4.9
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: High
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: XF
Name: haproxy-trash-bo(75777)
External Source: CONFIRM
Name: http://haproxy.1wt.eu/git?p=haproxy-1.4.git;a=commit;h=30297cb17147a8d339eb160226bcc08c91d9530b
Type: Advisory
External Source: BID
Name: 53647
External Source: CONFIRM
Name: http://haproxy.1wt.eu/download/1.4/src/CHANGELOG
External Source: GENTOO
Name: GLSA-201301-02
External Source: MLIST
Name: [oss-security] 20120528 Duplicate CVE identifiers (CVE-2012-2391 and CVE-2012-2942) assigned to HAProxy issue
External Source: CONFIRM
Name: http://haproxy.1wt.eu/#news
External Source: MLIST
Name: [oss-security] 20120523 CVE request: haproxy trash buffer overflow flaw
External Source: DEBIAN
Name: DSA-2711
External Source: UBUNTU
Name: USN-1800-1
External Source: MLIST
Name: [oss-security] 20120523 Re: CVE request: haproxy trash buffer overflow flaw

Vulnerable software and versions

+ Configuration 1
+ OR
cpe:/a:haproxy:haproxy:1.4.20 and previous versions

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

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