CVE-2018-21049 Memory corruption in n/a
Arbitrary memory write in Trustlet allows attackers to execute code or escalate privileges on Samsung devices with Exynos chipsets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-21049?
CVE-2018-21049 is a critical memory corruption vulnerability in Google Android, published on 8 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered on Samsung mobile devices with N(7.x) and O(8.X) (Exynos chipsets) software. There is an arbitrary memory write in a Trustlet because a secure driver allows access to sensitive APIs. The Samsung ID is SVE-2018-12881 (November 2018).
Weakness: CWE-787
Which versions are affected by CVE-2018-21049?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2018-21049?
No fix has been published for CVE-2018-21049 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-21049 being exploited?
There is no known exploitation of CVE-2018-21049 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-7r4m-6hwh-rm3v.