CVE-2012-6422 Privilege escalation in n/a
Attackers can gain privileges and read/write arbitrary physical memory via a crafted application due to weak permissions on the exynos-mem device file.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2012-6422?
CVE-2012-6422 is a critical vulnerability in n/a, published on 18 Dec 2012. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-264
Which versions are affected by CVE-2012-6422?
It affects 3 products.
Products include Meizu Mx, Samsung Galaxy Note 2, Samsung Galaxy S2.
How do I fix CVE-2012-6422?
No fix has been published for CVE-2012-6422 yet. Limit exposure of the affected software until one is available.
Is CVE-2012-6422 being exploited?
There is no known exploitation of CVE-2012-6422 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-x6p7-m2w8-2w25.