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CVE-2013-2596

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Date: April 12, 2013

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.

Language: C

Severity Score

Related Resources (23)

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fc9bbca8f650e5f738af8806317c0a041a48ae4a
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc9bbca8f650e5f738af8806317c0a041a48ae4a
http://rhn.redhat.com/errata/RHSA-2015-0695.html
http://rhn.redhat.com/errata/RHSA-2015-0782.html
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
https://github.com/torvalds/linux/commit/b4cbb197c7e7a68dbad0d491242e3ca67420c13e
https://security-tracker.debian.org/tracker/CVE-2013-2596
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
https://access.redhat.com/security/cve/CVE-2013-2596
http://forum.xda-developers.com/showthread.php?t=2255491
http://www.securityfocus.com/bid/59264
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://rhn.redhat.com/errata/RHSA-2015-0803.html
http://www.droidrzr.com/index.php/topic/15208-root-motochopper-yet-another-android-root-exploit/
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b4cbb197c7e7a68dbad0d491242e3ca67420c13e
http://marc.info/?l=linux-kernel&m=136616837923938&w=2
https://people.canonical.com/~ubuntu-security/cve/CVE-2013-2596
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b4cbb197c7e7a68dbad0d491242e3ca67420c13e
https://nvd.nist.gov/vuln/detail/CVE-2013-2596
https://github.com/torvalds/linux/commit/fc9bbca8f650e5f738af8806317c0a041a48ae4a
http://www.droid-life.com/2013/04/09/root-method-released-for-droid-razr-hd-running-android-4-1-2-other-devices-too/
https://www.mend.io/vulnerability-database/CVE-2013-2596

Severity Score

Weakness Type (CWE)

Numeric Errors

CWE-189

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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