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Vulnerability Details : CVE-2012-2942

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.
Publish Date : 2012-05-27 Last Update Date : 2017-08-28
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- CVSS Scores & Vulnerability Types

CVSS Score
5.1
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceExecute CodeOverflow
CWE ID 119

- Related OVAL Definitions

Title Definition Id Class Family
DSA-2711-1 haproxy - several oval:org.mitre.oval:def:18206 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2012-2942

# Product Type Vendor Product Version Update Edition Language
1 Application Haproxy Haproxy 1.4.20 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Haproxy Haproxy 1

- References For CVE-2012-2942

https://exchange.xforce.ibmcloud.com/vulnerabilities/75777
XF haproxy-trash-bo(75777)
http://www.ubuntu.com/usn/USN-1800-1
UBUNTU USN-1800-1
http://security.gentoo.org/glsa/glsa-201301-02.xml
GENTOO GLSA-201301-02
http://www.debian.org/security/2013/dsa-2711
DEBIAN DSA-2711
http://www.openwall.com/lists/oss-security/2012/05/23/12
MLIST [oss-security] 20120523 CVE request: haproxy trash buffer overflow flaw
http://www.securityfocus.com/bid/53647
BID 53647 HAProxy Trash Buffer Overflow Vulnerability Release Date:2013-04-17
http://www.openwall.com/lists/oss-security/2012/05/28/1
MLIST [oss-security] 20120528 Duplicate CVE identifiers (CVE-2012-2391 and CVE-2012-2942) assigned to HAProxy issue
http://www.openwall.com/lists/oss-security/2012/05/23/15
MLIST [oss-security] 20120523 Re: CVE request: haproxy trash buffer overflow flaw
http://haproxy.1wt.eu/download/1.4/src/CHANGELOG CONFIRM
http://haproxy.1wt.eu/git?p=haproxy-1.4.git;a=commit;h=30297cb17147a8d339eb160226bcc08c91d9530b CONFIRM
http://haproxy.1wt.eu/#news CONFIRM

- Metasploit Modules Related To CVE-2012-2942

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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