Access Restriction Bypass Affecting glibc package, versions [,2.18)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-UNMANAGED-GLIBC-2319120
  • published14 Dec 2021
  • disclosed9 Oct 2013
  • creditUnknown

Introduced: 9 Oct 2013

CVE-2013-2207  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade glibc to version 2.18 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass pt_chown in GNU C Library (aka glibc or libc6) before 2.18 does not properly check permissions for tty files, which allows local users to change the permission on the files and obtain access to arbitrary pseudo-terminals by leveraging a FUSE file system.

CVSS Scores

version 3.1