CVE-2012-6422

Public Exploit

Description

The kernel in Samsung Galaxy S2, Galaxy Note 2, MEIZU MX, and possibly other Android devices, when running an Exynos 4210 or 4412 processor, uses weak permissions (0666) for /dev/exynos-mem, which allows attackers to read or write arbitrary physical memory and gain privileges via a crafted application, as demonstrated by ExynosAbuse.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 17.14% Top 10%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityweek.com/new-vulnerability-exposed-samsungs-android-devices
http://project-voodoo.org/articles/instant-fix-app-for-exynos-mem-abuse-vulnerability-no-root-required-reversible
http://forum.xda-developers.com/showthread.php?p=35469999 exploit
http://arstechnica.com/security/2012/12/developer-warns-of-critical-vulnerability-in-many-samsung-smartphones/
http://forum.xda-developers.com/showthread.php?t=2051290
http://www.sammobile.com/2012/12/16/major-vulnerability-found-on-exynos-4-devices/
http://osvdb.org/88467 vdb entry

Frequently Asked Questions

What is the severity of CVE-2012-6422?
CVE-2012-6422 has been scored as a critical severity vulnerability.
How to fix CVE-2012-6422?
To fix CVE-2012-6422, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-6422 being actively exploited in the wild?
It is possible that CVE-2012-6422 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~17% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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