Denial of Service (DoS) Affecting glibc package, versions [,2.14]


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
1.07% (85th percentile)

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  • Snyk IDSNYK-UNMANAGED-GLIBC-2319116
  • published14 Dec 2021
  • disclosed10 Feb 2014
  • creditUnknown

Introduced: 10 Feb 2014

CVE-2012-3405  (opens in a new tab)
CWE-189  (opens in a new tab)

How to fix?

There is no fixed version for glibc.

Overview

Affected versions of this package are vulnerable to Denial of Service (DoS). The vfprintf function in stdio-common/vfprintf.c in libc in GNU C Library (aka glibc) 2.14 and other versions does not properly calculate a buffer length, which allows context-dependent attackers to bypass the FORTIFY_SOURCE format-string protection mechanism and cause a denial of service (segmentation fault and crash) via a format string with a large number of format specifiers that triggers "desynchronization within the buffer size handling," a different vulnerability than CVE-2012-3404.

CVSS Scores

version 3.1