Permissions, Privileges, and Access Controls in Glibc and Fedora - CVE-2013-2207
Published: October 10, 2013 / Updated: August 10, 2020
Vulnerability identifier: #VU42475
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2013-2207
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Fedoraproject
Fedoraproject
Affected software:
Glibc
Fedora
Glibc
Fedora
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
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.
How to mitigate CVE-2013-2207
Install update from vendor's website.
Sources
- 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