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CVE Database

CVE-2013-2207

Impact: Moderate
Public: 2013-07-16
Bugzilla: 976408: CVE-2013-2207 glibc (pt_chown): Improper pseudotty ownership and permissions changes when granting access to the slave pseudoterminal

Details

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2013-2207 from the MITRE CVE dictionary and NIST NVD.

Statement

Not Vulnerable. This issue does not affect the version of glibc as shipped with Red Hat Enterprise Linux 5 and 6.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score: 2.6
Base Metrics: 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

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date

External References

Acknowledgements

Red Hat would like to thank Martin Carpenter of Citco for reporting this issue.

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.