Linux Kernel Crypto API CVE-2013-7421 Local Security Bypass Vulnerability

BID:72322

Info

Linux Kernel Crypto API CVE-2013-7421 Local Security Bypass Vulnerability

Bugtraq ID: 72322
Class: Design Error
CVE: CVE-2013-7421
Remote: No
Local: Yes
Published: Jan 27 2015 12:00AM
Updated: Jul 06 2016 12:23PM
Credit: Mathias Krause
Vulnerable: Ubuntu Ubuntu Linux 12.04 LTS i386
Ubuntu Ubuntu Linux 12.04 LTS amd64
Oracle Linux 5
Oracle Linux 0
Oracle Enterprise Linux 6.2
Oracle Enterprise Linux 6
Linux kernel 3.3.5
Linux kernel 3.3.4
Linux kernel 3.3.2
Linux kernel 3.2.13
Linux kernel 3.2.9
Linux kernel 3.2.1
Linux kernel 3.1.8
Linux kernel 3.0.5
Linux kernel 3.0.4
Linux kernel 3.0.2
Linux kernel 3.0.1
Linux kernel 2.6.39
Linux kernel 2.6.38
Linux kernel 3.2.2
Linux kernel 3.0.18
Linux kernel 3.0
Linux kernel 2.6.38.6
Linux kernel 2.6.38.4
Linux kernel 2.6.38.3
Linux kernel 2.6.38.2
Not Vulnerable:

Discussion

Linux Kernel Crypto API CVE-2013-7421 Local Security Bypass Vulnerability

Linux kernel is prone to a local security-bypass vulnerability that may allow an attacker to bypass file permissions.

Attackers can exploit this issue to bypass certain security restrictions and perform unauthorized actions.

Exploit / POC

Linux Kernel Crypto API CVE-2013-7421 Local Security Bypass Vulnerability

Attackers can exploit this issue using readily available tools.

Solution / Fix

Linux Kernel Crypto API CVE-2013-7421 Local Security Bypass Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

References

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