CVE-2011-3148

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    CVE-2011-3148

    Published: 22 Jul 2012Last Modified: 10 Apr 2026

    Summary:

    Details: Stack-based buffer overflow in the _assemble_line function in modules/pam_env/pam_env.c in Linux-PAM (aka pam) before 1.1.5 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via a long string of white spaces at the beginning of the ~/.pam_environment file.

    References: http://secunia.com/advisories/46583, http://secunia.com/advisories/49711, http://security.gentoo.org/glsa/glsa-201206-31.xml, http://www.ubuntu.com/usn/USN-1237-1, http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=caf5e7f61c8d9288daa49b4f61962e6b1239121d, https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874469

    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
    CVE-2011-3148 | CVE-DB