Executive Summary

Informations
Name CVE-2012-0056 First vendor Publication 2012-01-27
Vendor Cve Last vendor Modification 2023-07-27

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:M/Au:N/C:C/I:C/A:C)
Cvss Base Score 6.9 Attack Range Local
Cvss Impact Score 10 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0056

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-264 Permissions, Privileges, and Access Controls

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:14660
 
Oval ID: oval:org.mitre.oval:def:14660
Title: USN-1342-1 -- Linux kernel (Oneiric backport) vulnerability
Description: linux-lts-backport-oneiric: Linux kernel backport from Oneiric The system could be made to run programs as an administrator.
Family: unix Class: patch
Reference(s): USN-1342-1
CVE-2012-0056
 Version: 5
Platform(s): Ubuntu 10.04
 Product(s): Linux
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:15372
 
Oval ID: oval:org.mitre.oval:def:15372
Title: USN-1336-1 -- Linux kernel vulnerability
Description: linux: Linux kernel The system could be made to run programs as an administrator.
Family: unix Class: patch
Reference(s): USN-1336-1
CVE-2011-2203
CVE-2011-4077
CVE-2011-4110
CVE-2011-4132
CVE-2011-4330
CVE-2012-0044
CVE-2012-0056
 Version: 5
Platform(s): Ubuntu 11.10
 Product(s): Linux
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:21212
 
Oval ID: oval:org.mitre.oval:def:21212
Title: RHSA-2012:0052: kernel security and bug fix update (Important)
Description: The mem_write function in Linux kernel 2.6.39 and other versions, when ASLR is disabled, does not properly check permissions when writing to /proc/<pid>/mem, which allows local users to gain privileges by modifying process memory, as demonstrated by Mempodipper.
Family: unix Class: patch
Reference(s): RHSA-2012:0052-01
CESA-2012:0052
CVE-2012-0056
 Version: 4
Platform(s): Red Hat Enterprise Linux 6
CentOS Linux 6
 Product(s): kernel
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:23795
 
Oval ID: oval:org.mitre.oval:def:23795
Title: ELSA-2012:0052: kernel security and bug fix update (Important)
Description: The mem_write function in Linux kernel 2.6.39 and other versions, when ASLR is disabled, does not properly check permissions when writing to /proc/<pid>/mem, which allows local users to gain privileges by modifying process memory, as demonstrated by Mempodipper.
Family: unix Class: patch
Reference(s): ELSA-2012:0052-01
CVE-2012-0056
 Version: 6
Platform(s): Oracle Linux 6
 Product(s): kernel
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:27936
 
Oval ID: oval:org.mitre.oval:def:27936
Title: DEPRECATED: ELSA-2012-0052 -- kernel security and bug fix update (important)
Description: [2.6.32-220.4.1.el6] - [fs] Revert 'proc: enable writing to /proc/pid/mem' (Johannes Weiner) [782649 782650] {CVE-2012-0056} [2.6.32-220.3.1.el6] - [kernel] Remove 'WARNING: at kernel/sched.c:5915' (Larry Woodman) [768288 766051] - [x86] kernel: Fix memory corruption in module load (Prarit Bhargava) [769595 767140] - [kernel] Reset clocksource watchdog after sysrq-t (Prarit Bhargava) [755867 742890] - [x86] AMD: Make tsc=reliable override boot time stability checks (Prarit Bhargava) [755867 742890]
Family: unix Class: patch
Reference(s): ELSA-2012-0052
CVE-2012-0056
 Version: 4
Platform(s): Oracle Linux 6
 Product(s): kernel
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 1532

ExploitDB Exploits

id Description
2012-01-12 Linux Local Root => 2.6.39 (32-bit & 64-bit) - Mempodipper #2
2012-01-23 Mempodipper - Linux Local Root for >=2.6.39, 32-bit and 64-bit

OpenVAS Exploits

Date Description
2012-12-18 Name : Fedora Update for kernel FEDORA-2012-20240
File : nvt/gb_fedora_2012_20240_kernel_fc16.nasl
2012-11-29 Name : Fedora Update for kernel FEDORA-2012-18691
File : nvt/gb_fedora_2012_18691_kernel_fc16.nasl
2012-11-06 Name : Fedora Update for kernel FEDORA-2012-17479
File : nvt/gb_fedora_2012_17479_kernel_fc16.nasl
2012-09-04 Name : Fedora Update for kernel FEDORA-2012-12684
File : nvt/gb_fedora_2012_12684_kernel_fc16.nasl
2012-08-06 Name : Fedora Update for kernel FEDORA-2012-11348
File : nvt/gb_fedora_2012_11348_kernel_fc16.nasl
2012-07-30 Name : CentOS Update for kernel CESA-2012:0052 centos6
File : nvt/gb_CESA-2012_0052_kernel_centos6.nasl
2012-07-09 Name : RedHat Update for kernel RHSA-2012:0052-01
File : nvt/gb_RHSA-2012_0052-01_kernel.nasl
2012-06-25 Name : Fedora Update for kernel FEDORA-2012-8931
File : nvt/gb_fedora_2012_8931_kernel_fc15.nasl
2012-06-15 Name : Fedora Update for kernel FEDORA-2012-8890
File : nvt/gb_fedora_2012_8890_kernel_fc16.nasl
2012-05-17 Name : Fedora Update for kernel FEDORA-2012-7594
File : nvt/gb_fedora_2012_7594_kernel_fc15.nasl
2012-05-14 Name : Fedora Update for kernel FEDORA-2012-7538
File : nvt/gb_fedora_2012_7538_kernel_fc16.nasl
2012-04-26 Name : Fedora Update for kernel FEDORA-2012-6406
File : nvt/gb_fedora_2012_6406_kernel_fc15.nasl
2012-04-02 Name : Fedora Update for kernel FEDORA-2012-0876
File : nvt/gb_fedora_2012_0876_kernel_fc16.nasl
2012-04-02 Name : Fedora Update for kernel FEDORA-2012-3030
File : nvt/gb_fedora_2012_3030_kernel_fc16.nasl
2012-04-02 Name : Fedora Update for kernel FEDORA-2012-3712
File : nvt/gb_fedora_2012_3712_kernel_fc16.nasl
2012-03-29 Name : Fedora Update for kernel FEDORA-2012-3715
File : nvt/gb_fedora_2012_3715_kernel_fc15.nasl
2012-03-22 Name : Fedora Update for kernel FEDORA-2012-4410
File : nvt/gb_fedora_2012_4410_kernel_fc16.nasl
2012-03-19 Name : Fedora Update for kernel FEDORA-2012-3350
File : nvt/gb_fedora_2012_3350_kernel_fc16.nasl
2012-03-19 Name : Fedora Update for kernel FEDORA-2012-1497
File : nvt/gb_fedora_2012_1497_kernel_fc16.nasl
2012-03-16 Name : Fedora Update for kernel FEDORA-2012-3356
File : nvt/gb_fedora_2012_3356_kernel_fc15.nasl
2012-03-16 Name : Ubuntu Update for linux USN-1336-1
File : nvt/gb_ubuntu_USN_1336_1.nasl
2012-03-16 Name : Ubuntu Update for linux-ti-omap4 USN-1364-1
File : nvt/gb_ubuntu_USN_1364_1.nasl
2012-03-07 Name : Fedora Update for kernel FEDORA-2012-2753
File : nvt/gb_fedora_2012_2753_kernel_fc15.nasl
2012-02-13 Name : Fedora Update for kernel FEDORA-2012-1503
File : nvt/gb_fedora_2012_1503_kernel_fc15.nasl
2012-02-01 Name : Ubuntu Update for linux-lts-backport-oneiric USN-1342-1
File : nvt/gb_ubuntu_USN_1342_1.nasl
2012-01-25 Name : Fedora Update for kernel FEDORA-2012-0861
File : nvt/gb_fedora_2012_0861_kernel_fc15.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
78509 Linux Kernel /proc/<pid>/mem Access Restriction Weakness Local Privileg...

Nessus® Vulnerability Scanner

Date Description
2014-11-17 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2012-0109.nasl - Type : ACT_GATHER_INFO
2014-07-22 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2012-0061.nasl - Type : ACT_GATHER_INFO
2014-06-13 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2012-65.nasl - Type : ACT_GATHER_INFO
2013-07-12 Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2012-0052.nasl - Type : ACT_GATHER_INFO
2013-07-12 Name : The remote Oracle Linux host is missing one or more security updates.
File : oraclelinux_ELSA-2012-2001.nasl - Type : ACT_GATHER_INFO
2012-08-01 Name : The remote Scientific Linux host is missing one or more security updates.
File : sl_20120123_kernel_on_SL6_x.nasl - Type : ACT_GATHER_INFO
2012-02-14 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-1364-1.nasl - Type : ACT_GATHER_INFO
2012-01-26 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-1342-1.nasl - Type : ACT_GATHER_INFO
2012-01-25 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2012-0052.nasl - Type : ACT_GATHER_INFO
2012-01-25 Name : The remote Fedora host is missing a security update.
File : fedora_2012-0861.nasl - Type : ACT_GATHER_INFO
2012-01-25 Name : The remote Fedora host is missing a security update.
File : fedora_2012-0876.nasl - Type : ACT_GATHER_INFO
2012-01-24 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2012-0052.nasl - Type : ACT_GATHER_INFO
2012-01-24 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-1336-1.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/51625
CERT-VN http://www.kb.cert.org/vuls/id/470151
CONFIRM http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
https://bugzilla.redhat.com/show_bug.cgi?id=782642
MISC http://blog.zx2c4.com/749
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdi...
MLIST http://www.openwall.com/lists/oss-security/2012/01/18/1
http://www.openwall.com/lists/oss-security/2012/01/18/2
http://www.openwall.com/lists/oss-security/2012/01/19/4
http://www.openwall.com/lists/oss-security/2012/01/22/4
REDHAT http://www.redhat.com/support/errata/RHSA-2012-0052.html
http://www.redhat.com/support/errata/RHSA-2012-0061.html
SECUNIA http://secunia.com/advisories/47708
UBUNTU http://ubuntu.com/usn/usn-1336-1

Alert History

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Date Informations
2024-02-02 01:18:06
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2024-02-01 12:05:22
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2023-09-05 12:17:01
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2023-09-05 01:05:14
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2023-09-02 12:17:05
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2023-08-04 05:28:01
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2023-08-04 01:05:22
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2023-07-27 21:27:58
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2023-07-14 12:16:34
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2023-07-14 01:05:19
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2023-03-29 01:18:32
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2023-03-28 12:05:27
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2023-02-13 09:28:52
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2023-02-02 21:28:46
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2022-10-11 12:14:47
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2022-10-11 01:05:03
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2021-05-04 12:18:57
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2021-04-22 01:22:40
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2020-05-23 00:32:34
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2018-07-13 01:04:36
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2018-01-18 09:21:51
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2016-04-26 21:23:13
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2014-11-18 13:26:00
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2014-11-06 17:23:12
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2014-07-23 13:24:41
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2014-07-17 09:21:22
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2014-06-14 13:32:06
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2014-02-17 11:06:52
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2013-05-10 22:31:02
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