Access Restriction Bypass Affecting glibc package, versions <2.21-1
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN11-GLIBC-532765
- published 9 Oct 2013
- disclosed 9 Oct 2013
Introduced: 9 Oct 2013
CVE-2013-2207 Open this link in a new tabHow to fix?
Upgrade Debian:11 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:11 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.
References
- https://security-tracker.debian.org/tracker/CVE-2013-2207
- https://security.gentoo.org/glsa/201503-04
- https://sourceware.org/bugzilla/show_bug.cgi?id=15755
- https://sourceware.org/ml/libc-alpha/2013-08/msg00160.html
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
- https://bugzilla.redhat.com/show_bug.cgi?id=976408
- http://secunia.com/advisories/55113
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2013-2207
- http://www.ubuntu.com/usn/USN-2985-1
- http://www.ubuntu.com/usn/USN-2985-2
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:283
CVSS Scores
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