Vulnerability Details : 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.
Vulnerability category: Overflow
CVE-2013-2596
is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Linux Kernel Integer Overflow Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Linux kernel fb_mmap function in drivers/video/fbmem.c contains an integer overflow vulnerability that allows for privilege escalation.
Notes:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fc9bbca8f650e5f738af8806317c0a041a48ae4a
Added on
2022-09-15
Action due date
2022-10-06
Exploit prediction scoring system (EPSS) score for CVE-2013-2596
Probability of exploitation activity in the next 30 days: 0.90%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 81 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2013-2596
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
---|---|---|---|---|---|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
nvd@nist.gov |
CWE ids for CVE-2013-2596
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-2596
-
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b4cbb197c7e7a68dbad0d491242e3ca67420c13e
kernel/git/torvalds/linux.git - Linux kernel source treePatch;Vendor Advisory
-
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
Juniper Networks - 2016-10 Security Bulletin: CTPView: Multiple vulnerabilities in CTPViewThird Party Advisory
-
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fc9bbca8f650e5f738af8806317c0a041a48ae4a
kernel/git/torvalds/linux.git - Linux kernel source treeExploit;Patch;Vendor Advisory
-
http://rhn.redhat.com/errata/RHSA-2015-0782.html
RHSA-2015:0782 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2015-0803.html
RHSA-2015:0803 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://github.com/torvalds/linux/commit/fc9bbca8f650e5f738af8806317c0a041a48ae4a
vm: convert fb_mmap to vm_iomap_memory() helper · torvalds/linux@fc9bbca · GitHubExploit;Patch;Third Party Advisory
-
https://github.com/torvalds/linux/commit/b4cbb197c7e7a68dbad0d491242e3ca67420c13e
vm: add vm_iomap_memory() helper function · torvalds/linux@b4cbb19 · GitHubPatch;Third Party Advisory
-
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
Vendor Advisory
-
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
Oracle Linux Bulletin - January 2016Third Party Advisory
-
http://www.droidrzr.com/index.php/topic/15208-root-motochopper-yet-another-android-root-exploit/
Exploit;Third Party Advisory
-
http://www.droid-life.com/2013/04/09/root-method-released-for-droid-razr-hd-running-android-4-1-2-other-devices-too/
Root Method Released for DROID RAZR HD Running Android 4.1.2, Other Devices Too – Droid LifeExploit;Third Party Advisory
-
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
mandriva.comBroken Link
-
http://forum.xda-developers.com/showthread.php?t=2255491
[Q] Understanding how motochopper worksExploit;Third Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2015-0695.html
RHSA-2015:0695 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://www.securityfocus.com/bid/59264
Motorola Multiple Devices For Android Local Privilege Escalation VulnerabilityThird Party Advisory;VDB Entry
-
http://marc.info/?l=linux-kernel&m=136616837923938&w=2
'Device driver memory 'mmap()' function helper cleanup' - MARCMailing List;Patch;Third Party Advisory
Products affected by CVE-2013-2596
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:motorola:android:4.1.2:*:*:*:*:*:*:*