CVE-2012-2942: Buffer Overflow
First published: Sun May 27 2012(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Aprox Aproxengine | <=1.4.20 |
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Reference Links
- 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
- http://secunia.com/advisories/49261
- 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
Frequently Asked Questions
What is the severity of CVE-2012-2942?
CVE-2012-2942 is classified as a High severity vulnerability due to its potential for remote code execution and denial of service.
How do I fix CVE-2012-2942?
To fix CVE-2012-2942, upgrade HAProxy to version 1.4.21 or later, ensuring you have the latest security patches applied.
What does CVE-2012-2942 affect?
CVE-2012-2942 affects HAProxy versions before 1.4.21 when the global.tune.bufsize is set to a value greater than the default.
What are the potential consequences of CVE-2012-2942?
The potential consequences of CVE-2012-2942 include service disruption due to denial of service and the ability for attackers to execute arbitrary code.
Is CVE-2012-2942 an exploitable vulnerability?
Yes, CVE-2012-2942 is considered exploitable as it allows remote attackers to manipulate the buffer overflow condition.
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