CVE-2012-2942

    Dashboard / Vulnerabilities / CVE-2012-2942

    CVE-2012-2942

    Published: 27 May 2012Last Modified: 10 Apr 2026

    Summary:

    Details: 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.

    References: http://secunia.com/advisories/49261, http://security.gentoo.org/glsa/glsa-201301-02.xml, http://www.debian.org/security/2013/dsa-2711, http://www.ubuntu.com/usn/USN-1800-1, http://haproxy.1wt.eu/#news, http://haproxy.1wt.eu/download/1.4/src/CHANGELOG, http://haproxy.1wt.eu/git?p=haproxy-1.4.git%3Ba=commit%3Bh=30297cb17147a8d339eb160226bcc08c91d9530b, 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, https://exchange.xforce.ibmcloud.com/vulnerabilities/75777

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High