CVE-2014-7817

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    CVE-2014-7817

    Published: 24 Nov 2014Last Modified: 16 Apr 2026

    Summary:

    Details: The wordexp function in GNU C Library (aka glibc) 2.21 does not enforce the WRDE_NOCMD flag, which allows context-dependent attackers to execute arbitrary commands, as demonstrated by input containing "$((`...`))".

    References: http://linux.oracle.com/errata/ELSA-2015-0092.html, http://lists.opensuse.org/opensuse-updates/2015-02/msg00089.html, http://rhn.redhat.com/errata/RHSA-2014-2023.html, http://secunia.com/advisories/62100, http://secunia.com/advisories/62146, http://www.debian.org/security/2015/dsa-3142, http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html, http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html, http://www.ubuntu.com/usn/USN-2432-1, https://security.gentoo.org/glsa/201602-02, https://sourceware.org/ml/libc-alpha/2014-11/msg00519.html, https://sourceware.org/bugzilla/show_bug.cgi?id=17625, http://linux.oracle.com/errata/ELSA-2015-0016.html, http://seclists.org/oss-sec/2014/q4/730, http://www.securityfocus.com/bid/71216, https://exchange.xforce.ibmcloud.com/vulnerabilities/98852, https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=a39208bd7fb76c1b01c127b4c61f9bfd915bfe7c

    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-2014-7817 | CVE-DB