CVE-2013-4270

Impact:
Moderate
Public Date:
2013-10-06
Bugzilla:
1027752: CVE-2013-4270 kernel: net: permissions flaw in /proc/sys/net

The MITRE CVE dictionary describes this issue as:

The net_ctl_permissions function in net/sysctl_net.c in the Linux kernel before 3.11.5 does not properly determine uid and gid values, which allows local users to bypass intended /proc/sys/net restrictions via a crafted application.

Find out more about CVE-2013-4270 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue does not affect the version of the kernel package as shipped with Red Hat Enterprise Linux 5 and 6.

Red Hat Enterprise Linux 7:
This vulnerability has been rated as having a security impact of Moderate. After evaluation and in accordance with the criteria noted in the product support life cycle, there are no plans to address this issue in an upcoming release. Please contact Red Hat Support for further information.

CVSS v2 metrics

Base Score 4.7
Base Metrics AV:L/AC:M/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

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

Red Hat Security Errata

Platform Errata Release Date
Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2014:0100 2014-01-28

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 kernel Will not fix
Red Hat Enterprise Linux 6 kernel Not affected
Red Hat Enterprise Linux 5 kernel Not affected
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.

Acknowledgements

This issue was discovered by Miroslav Vadkerti of Red Hat.
Last Modified

CVE description copyright © 2017, The MITRE Corporation