CVE-2012-3410

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    CVE-2012-3410

    Published: 27 Aug 2012Last Modified: 10 Apr 2026

    Summary:

    Details: Stack-based buffer overflow in lib/sh/eaccess.c in GNU Bash before 4.2 patch 33 might allow local users to bypass intended restricted shell access via a long filename in /dev/fd, which is not properly handled when expanding the /dev/fd prefix.

    References: http://secunia.com/advisories/51086, http://security.gentoo.org/glsa/glsa-201210-05.xml, http://www.mandriva.com/security/advisories?name=MDVSA-2012:128, ftp://ftp.gnu.org/pub/gnu/bash/bash-4.2-patches/bash42-033, http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=681278, http://www.openwall.com/lists/oss-security/2012/07/11/11, http://www.openwall.com/lists/oss-security/2012/07/11/22, http://www.openwall.com/lists/oss-security/2012/07/12/4, http://www.securityfocus.com/bid/54937, https://exchange.xforce.ibmcloud.com/vulnerabilities/77551, https://hermes.opensuse.org/messages/15227834

    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