CVE-2013-2596

7.8HIGH

Key Information:

Vendor
Linux
Status
Linux Kernel
Android
Vendor
CVE Published:
13 April 2013

Badges

👾 Exploit Exists🟡 Public PoC🦅 CISA Reported

Summary

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.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

libfb_mem_exploit
Created by hiikezoe

References

http://rhn.redhat.com/errata/RHSA-2015-0695.html
vendor-advisoryx_refsource_REDHAT
http://www.securityfocus.com/bid/59264
vdb-entryx_refsource_BID
http://www.droid-life.com/2013/04/09/root-method-released...
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🦅

    CISA Reported

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre DatabaseCISA Database1 Proof of Concept(s)
.