CVE-2013-2207

high

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.

References

https://sourceware.org/ml/libc-alpha/2013-08/msg00160.html

https://sourceware.org/bugzilla/show_bug.cgi?id=15755

https://security.gentoo.org/glsa/201503-04

https://bugzilla.redhat.com/show_bug.cgi?id=976408

http://www.ubuntu.com/usn/USN-2985-2

http://www.ubuntu.com/usn/USN-2985-1

http://www.mandriva.com/security/advisories?name=MDVSA-2013:283

http://secunia.com/advisories/55113

http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html

http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html

Details

Source: Mitre, NVD

Published: 2013-10-09

Updated: 2025-04-11

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:L/AC:H/Au:N/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 7.1

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Severity: High