National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2012-2942 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.1 MEDIUM
Vector: (AV:N/AC:H/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 4.9


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

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://haproxy.1wt.eu/#news
http://haproxy.1wt.eu/download/1.4/src/CHANGELOG
http://haproxy.1wt.eu/git?p=haproxy-1.4.git;a=commit;h=30297cb17147a8d339eb160226bcc08c91d9530b Vendor Advisory
http://security.gentoo.org/glsa/glsa-201301-02.xml
http://www.debian.org/security/2013/dsa-2711
http://www.openwall.com/lists/oss-security/2012/05/23/12
http://www.openwall.com/lists/oss-security/2012/05/23/15
http://www.openwall.com/lists/oss-security/2012/05/28/1
http://www.securityfocus.com/bid/53647
http://www.ubuntu.com/usn/USN-1800-1
https://exchange.xforce.ibmcloud.com/vulnerabilities/75777

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 2.2

Configuration 1 ( hide )
 cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.4.20


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-2942
NVD Published Date:
05/27/2012
NVD Last Modified:
08/28/2017