CVE-2013-2207
(pt_chown): Improper pseudotty ownership and permissions changes when granting access to the slave pseudoterminal
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · July 16, 2013
Updated · November 21, 2025
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.
Statement
Not Vulnerable. This issue does not affect the version of glibc as shipped with Red Hat Enterprise Linux 5 and 6.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 2.6AV:L/AC:H/Au:N/C:P/I:P/A:N
CWE not specified