Vulnerability Details CVE-2012-6422
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.171
EPSS Ranking 94.6%
CVSS Severity
CVSS v2 Score 9.3
References
- http://arstechnica.com/security/2012/12/developer-warns-of-critical-vulnerability-in-many-samsung-smartphones/
- http://forum.xda-developers.com/showthread.php?p=35469999
- http://forum.xda-developers.com/showthread.php?t=2051290
- http://osvdb.org/88467
- http://project-voodoo.org/articles/instant-fix-app-for-exynos-mem-abuse-vulnerability-no-root-required-reversible
- http://www.sammobile.com/2012/12/16/major-vulnerability-found-on-exynos-4-devices/
- http://www.securityweek.com/new-vulnerability-exposed-samsungs-android-devices
- http://arstechnica.com/security/2012/12/developer-warns-of-critical-vulnerability-in-many-samsung-smartphones/
- http://forum.xda-developers.com/showthread.php?p=35469999
- http://forum.xda-developers.com/showthread.php?t=2051290
- http://osvdb.org/88467
- http://project-voodoo.org/articles/instant-fix-app-for-exynos-mem-abuse-vulnerability-no-root-required-reversible
- http://www.sammobile.com/2012/12/16/major-vulnerability-found-on-exynos-4-devices/
- http://www.securityweek.com/new-vulnerability-exposed-samsungs-android-devices