Improper input validation in GNU Glibc
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 "$((`...`))".
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.6 (Medium). Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.006 (45.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- GNU Glibc — versions 2.21
- Canonical Ubuntu Linux — versions 10.04, 12.04, 14.04
- Debian Linux — versions 7.0
- openSUSE — versions 13.1, 13.2
Weakness classification (CWE)
References
- seclists.org/oss-sec/2014/q4/730 (mailing-list)
- www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- linux.oracle.com/errata/ELSA-2015-0016.html
- www.ubuntu.com/usn/USN-2432-1 (vendor-advisory)
- sourceware.org/ml/libc-alpha/2014-11/msg00519.html (Vendor Advisory, mailing-list)
- rhn.redhat.com/errata/RHSA-2014-2023.html (vendor-advisory, Vendor Advisory)
- sourceware.org/git/gitweb.cgi
- lists.opensuse.org/opensuse-updates/2015-02/msg00089.html (vendor-advisory, Vendor Advisory)
- security.gentoo.org/glsa/201602-02 (vendor-advisory)
- www.securityfocus.com/bid/71216 (vdb-entry)