CVE-2014-7817

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 "$((`...`))".

• CWE-20

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

Published

Nov 24, 2014

Last Modified

Jun 17, 2026

Status

Modified

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