Permissions, Privileges, and Access Controls in GNU C Library (glibc) and Fedora - CVE-2013-2207

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Main Vulnerability Database Vulnerabilities #VU42475

Permissions, Privileges, and Access Controls in GNU C Library (glibc) and Fedora - CVE-2013-2207

Published: October 10, 2013 / Updated: August 10, 2020


Vulnerability identifier: #VU42475
CSH Severity: Low
CVSS v4: 2.1 [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]
CVE-ID: CVE-2013-2207
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

GNU C Library (glibc)
Fedora
Gentoo Linux
Integrated Management Module II (IMM2)
sys-libs/glibc

How to mitigate CVE-2013-2207

Install update from vendor's website.

Integrated Management Module II (IMM2) - update to 1AOO68L — 5.20
sys-libs/glibc - update to 2.19-r1

External References

Related Security Bulletins