Vulnerability Details : CVE-2012-3406

The vfprintf function in stdio-common/vfprintf.c in GNU C Library (aka glibc) 2.5, 2.12, and probably other versions does not "properly restrict the use of" the alloca function when allocating the SPECS array, which allows context-dependent attackers to bypass the FORTIFY_SOURCE format-string protection mechanism and cause a denial of service (crash) or possibly execute arbitrary code via a crafted format string using positional parameters and a large number of format specifiers, a different vulnerability than CVE-2012-3404 and CVE-2012-3405.
Published 2014-02-10 18:15:10
Updated 2019-04-22 17:48:01
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Execute codeDenial of service

Threat overview for CVE-2012-3406

Top countries where our scanners detected CVE-2012-3406
Top open port discovered on systems with this issue 53
IPs affected by CVE-2012-3406 139,621
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2012-3406!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2012-3406

Probability of exploitation activity in the next 30 days: 0.32%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 67 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2012-3406

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
 NIST

CWE ids for CVE-2012-3406

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2012-3406

Products affected by CVE-2012-3406

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