CVE-2012-3406

Advisory lineage Upstream: 0 Downstream: 8
Modified
Published: 10 Feb 2014, 17:00
Last modified:06 Aug 2024, 20:05

Vulnerability Summary

Overall Risk (default)
medium
27/100
CVSS Score
6.8 MEDIUM
v2.0 (nvd)
EPSS Score
0.87% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

10 Feb 2014, 17:00
Published
Vulnerability first disclosed
06 Aug 2024, 20:05
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v2.0•MEDIUM•Score: 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.87%• Percentile: 76%

Techniques & Countermeasures

  • CWE-264•Permissions, Privileges, and Access Controls

    Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.

Affected Systems

  • canonical•ubuntu_linux

    8.04 | 10.04 | 11.04 | 11.10 | 12.04

  • gnu•glibc

    2.5 | 2.12

  • redhat•enterprise_linux

    5 | 6.0

  • redhat•enterprise_virtualization

    3.0

References (9)