Vulnerability Monitor

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CVE-2013-2207

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.

Security Impact Summary

CVE-2013-2207 is a security vulnerability that . Impacting 2 products from gnu, from fedoraproject organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2013, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2013-10-09T22:55:02.633

Last Modified

2026-06-16T23:52:56.777

Status

Modified

Source

[email protected]

Severity

CVSSv2: 2.6 (LOW)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: HIGH
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

1.9

Impact Score

4.9

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnu	glibc	≤ 2.17	Yes
Application	gnu	glibc	2.0	Yes
Application	gnu	glibc	2.0.1	Yes
Application	gnu	glibc	2.0.2	Yes
Application	gnu	glibc	2.0.3	Yes
Application	gnu	glibc	2.0.4	Yes
Application	gnu	glibc	2.0.5	Yes
Application	gnu	glibc	2.0.6	Yes
Application	gnu	glibc	2.1	Yes
Application	gnu	glibc	2.1.1	Yes
Application	gnu	glibc	2.1.1.6	Yes
Application	gnu	glibc	2.1.2	Yes
Application	gnu	glibc	2.1.3	Yes
Application	gnu	glibc	2.1.9	Yes
Application	gnu	glibc	2.10.1	Yes
Application	gnu	glibc	2.11	Yes
Application	gnu	glibc	2.11.1	Yes
Application	gnu	glibc	2.11.2	Yes
Application	gnu	glibc	2.11.3	Yes
Application	gnu	glibc	2.12.1	Yes
Application	gnu	glibc	2.12.2	Yes
Application	gnu	glibc	2.13	Yes
Application	gnu	glibc	2.14	Yes
Application	gnu	glibc	2.14.1	Yes
Application	gnu	glibc	2.15	Yes
Application	gnu	glibc	2.16	Yes
Operating System	fedoraproject	fedora	18	Yes
Operating System	fedoraproject	fedora	19	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html ([email protected])
http://secunia.com/advisories/55113 ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2013:283 ([email protected])
http://www.ubuntu.com/usn/USN-2985-1 ([email protected])
http://www.ubuntu.com/usn/USN-2985-2 ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=976408 Patch ([email protected])
https://security.gentoo.org/glsa/201503-04 ([email protected])
https://sourceware.org/bugzilla/show_bug.cgi?id=15755 Patch ([email protected])
https://sourceware.org/ml/libc-alpha/2013-08/msg00160.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/55113 (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2013:283 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2985-1 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2985-2 (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=976408 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201503-04 (af854a3a-2127-422b-91ae-364da2661108)
https://sourceware.org/bugzilla/show_bug.cgi?id=15755 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://sourceware.org/ml/libc-alpha/2013-08/msg00160.html (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For gnu's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.