CVE-2013-2207

Severity: low (CVSS 2.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-10-09 · updated 2026-06-16
Weakness: CWE-264

Description

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.

Affected products

Fedoraproject Fedora: 18, 19
GNU C Library (glibc): through 2.17; 2.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5 (+19)

References

http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
http://secunia.com/advisories/55113
http://www.mandriva.com/security/advisories?name=MDVSA-2013:283
http://www.ubuntu.com/usn/USN-2985-1
http://www.ubuntu.com/usn/USN-2985-2
https://bugzilla.redhat.com/show_bug.cgi?id=976408
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

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