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Access Restriction Bypass Affecting glibc package, versions <2.21-1

low

Snyk CVSS

    Attack Complexity High

    Threat Intelligence

    EPSS 0.04% (6th percentile)
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NVD
4 medium
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Red Hat
4 medium

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  • Snyk ID SNYK-DEBIAN10-GLIBC-356513
  • published 9 Oct 2013
  • disclosed 9 Oct 2013
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Introduced: 9 Oct 2013

CVE-2013-2207 Open this link in a new tab
CWE-264 Open this link in a new tab

How to fix?

Upgrade Debian:10 glibc to version 2.21-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

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.