Buffer overflow in Linux kernel - CVE-2013-2237

 

Buffer overflow in Linux kernel - CVE-2013-2237

Published: July 5, 2013 / Updated: August 11, 2020


Vulnerability identifier: #VU42753
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2013-2237
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The key_notify_policy_flush function in net/key/af_key.c in the Linux kernel before 3.9 does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel heap memory by reading a broadcast message from the notify_policy interface of an IPSec key_socket.


How to mitigate CVE-2013-2237

Install update from vendor's website.

Sources