Buffer overflow in GNU Glibc
CVE-2012-4424
Stack-based buffer overflow in string/strcoll_l.c in the GNU C Library (aka glibc or libc6) 2.17 and earlier allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string that triggers a malloc failure and use of the alloca function.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.1 (Medium). Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.034 (88.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.034 · newest: 0.034 · change: 0.000
Affected products
- GNU Glibc — versions 2.0, 2.0.1, 2.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ubuntu.com/usn/USN-1991-1 (vendor-advisory)
- www.mandriva.com/security/advisories (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi
- sourceware.org/bugzilla/show_bug.cgi (Exploit, Patch)
- www.openwall.com/lists/oss-security/2012/09/13/16 (mailing-list)
- security.gentoo.org/glsa/201503-04 (vendor-advisory)
- www.mandriva.com/security/advisories (vendor-advisory)
Frequently asked questions
- What is CVE-2012-4424?
- CVE-2012-4424 is a vulnerability in GNU Glibc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2013-10-09.
- Is CVE-2012-4424 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.