Vulnerability Report

CVE-2013-2596

CISA KEV Active

Title: Qualcomm Msm8960 Auth Bypass

Auth Bypass

Proof Of Concept

PoC Available for CVE-2013-2596

CWE Category CWE-190
Published Date Apr 13, 2013
Modified Date Jun 16, 2026
Exploit Status Available
Score 7.8 CVSS v3.1
Exploit Probability (EPSS)
3.37%

Vulnerability Summary

CVE-2013-2596: Integer overflow in the fb_mmap function in drivers/video/fbmem.c in the Linux kernel before 3.8.9, as used in a certain Motorola build of Android 4.1.2 and other products, allows local users to create a read-write memory mapping for the entirety of kernel memory, and consequently gain privileges, via crafted /dev/graphics/fb0 mmap2 system calls, as demonstrated by the Motochopper pwn program.

Impacted Vendors

Q
qualcomm 1
M
motorola 3

Reference Links

http://forum.xda-developers.com/showthread.php?t=2255491 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b4cbb197c7e7a68dbad0d491242e3ca67420c13e http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc9bbca8f650e5f738af8806317c0a041a48ae4a http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 http://marc.info/?l=linux-kernel&m=136616837923938&w=2 http://rhn.redhat.com/errata/RHSA-2015-0695.html http://rhn.redhat.com/errata/RHSA-2015-0782.html http://rhn.redhat.com/errata/RHSA-2015-0803.html http://www.droid-life.com/2013/04/09/root-method-released-for-droid-razr-hd-running-android-4-1-2-other-devices-too/ http://www.droidrzr.com/index.php/topic/15208-root-motochopper-yet-another-android-root-exploit/ http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9 http://www.mandriva.com/security/advisories?name=MDVSA-2013:176 http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html http://www.securityfocus.com/bid/59264 https://github.com/torvalds/linux/commit/b4cbb197c7e7a68dbad0d491242e3ca67420c13e https://github.com/torvalds/linux/commit/fc9bbca8f650e5f738af8806317c0a041a48ae4a http://forum.xda-developers.com/showthread.php?t=2255491 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b4cbb197c7e7a68dbad0d491242e3ca67420c13e http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc9bbca8f650e5f738af8806317c0a041a48ae4a http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 http://marc.info/?l=linux-kernel&m=136616837923938&w=2 http://rhn.redhat.com/errata/RHSA-2015-0695.html http://rhn.redhat.com/errata/RHSA-2015-0782.html http://rhn.redhat.com/errata/RHSA-2015-0803.html http://www.droid-life.com/2013/04/09/root-method-released-for-droid-razr-hd-running-android-4-1-2-other-devices-too/ http://www.droidrzr.com/index.php/topic/15208-root-motochopper-yet-another-android-root-exploit/ http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9 http://www.mandriva.com/security/advisories?name=MDVSA-2013:176 http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html http://www.securityfocus.com/bid/59264 https://github.com/torvalds/linux/commit/b4cbb197c7e7a68dbad0d491242e3ca67420c13e https://github.com/torvalds/linux/commit/fc9bbca8f650e5f738af8806317c0a041a48ae4a https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-2596
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.8
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity HIGH
7.8
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
6.9
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:M/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2013-2596 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/hiikezoe/libfb_mem_exploit
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.