Vulnerability in Meizu Mx
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.151 (96.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.151 · newest: 0.151 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityweek.com/new-vulnerability-exposed-samsungs-android-devices
- project-voodoo.org/articles/instant-fix-app-for-exynos-mem-abuse-vulnerability-…
- forum.xda-developers.com/showthread.php (Exploit)
- arstechnica.com/security/2012/12/developer-warns-of-critical-vulnerability-in-m…
- forum.xda-developers.com/showthread.php
- www.sammobile.com/2012/12/16/major-vulnerability-found-on-exynos-4-devices/
- osvdb.org/88467 (vdb-entry)
Frequently asked questions
- What is CVE-2012-6422?
- CVE-2012-6422 is a vulnerability in Meizu Mx, classified under CWE-264. Published 2012-12-18.
- Is CVE-2012-6422 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.