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
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://sourceware.org/bugzilla/show_bug.cgi?id=15755 ↗
- http://secunia.com/advisories/55113 ↗
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html ↗
- https://sourceware.org/ml/libc-alpha/2013-08/msg00160.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html ↗
- http://www.ubuntu.com/usn/USN-2985-2 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=976408 ↗
- https://security.gentoo.org/glsa/201503-04 ↗
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:283 ↗
- http://www.ubuntu.com/usn/USN-2985-1 ↗