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Overview

Vulnerability Score 6.9 6.9
CVE Id CVE-2012-0056
Last Modified 17 Jul 2014 12:41:50
Published 27 Jan 2012 10:55:04
Confidentiality Impact COMPLETE COMPLETE
Integrity Impact COMPLETE COMPLETE
Availability Impact COMPLETE COMPLETE
Access Vector LOCAL
Access Complexity MEDIUM
Authentication NONE

CVE-2012-0056

Summary

The mem_write function in the Linux kernel before 3.2.2, when ASLR is disabled, does not properly check permissions when writing to /proc//mem, which allows local users to gain privileges by modifying process memory, as demonstrated by Mempodipper.

Vulnerable Systems

Operating System

  • Linux Kernel 2.6.39


References

CONFIRM - https://bugzilla.redhat.com/show_bug.cgi?id=782642

BID - 51625

REDHAT - RHSA-2012:0061

REDHAT - RHSA-2012:0052

MLIST - [oss-security] 20120122 Re: CVE request: kernel: proc: clean up and fix /proc//mem handling

MLIST - [oss-security] 20120119 Re: CVE request: kernel: proc: clean up and fix /proc//mem handling

MLIST - [oss-security] 20120117 Re: CVE request: kernel: proc: clean up and fix /proc//mem handling

MLIST - [oss-security] 20120118 CVE request: kernel: proc: clean up and fix /proc//mem handling

UBUNTU - USN-1336-1

SECUNIA - 47708

CONFIRM - http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=e268337dfe26dfc7efd422a804dbb27977a3cccc

MISC - http://blog.zx2c4.com/749

CONFIRM - http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2


Last Updated: 27 May 2016 10:56:27