CVE-2014-7817
MEDIUM severity · CVSS 4.6 · Improper input validation
4.6CVSS MEDIUM
Summary
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 "$((`...`))".
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)1%
AV:L/AC:L/Au:N/C:P/I:P/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://linux.oracle.com/errata/ELSA-2015-0092.htmlAdvisory
- http://lists.opensuse.org/opensuse-updates/2015-02/msg00089.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2014-2023.htmlAdvisory
- http://www.debian.org/security/2015/dsa-3142Advisory
- http://linux.oracle.com/errata/ELSA-2015-0016.html
- http://seclists.org/oss-sec/2014/q4/730
- http://secunia.com/advisories/62100
- http://secunia.com/advisories/62146