Vulnerability Description
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 "$((`...`))".
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 10.04 |
| Debian | Debian Linux | 7.0 |
| Gnu | Glibc | 2.21 |
| Opensuse | Opensuse | 13.1 |
Related Weaknesses (CWE)
References
- 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
FAQ
What is CVE-2014-7817?
CVE-2014-7817 is a vulnerability with a CVSS score of 4.6 (MEDIUM). 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...
How severe is CVE-2014-7817?
CVE-2014-7817 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-7817?
Check the references section above for vendor advisories and patch information. Affected products include: Canonical Ubuntu Linux, Debian Debian Linux, Gnu Glibc, Opensuse Opensuse.