CVE-2018-21054 Integer overflow in n/a

Critical 9.8 Published Updated

An integer underflow in eCryptFS leads to a buffer overflow, potentially allowing attackers to execute arbitrary code or escalate privileges on Samsung mobile devices.

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-2018-21054?

CVE-2018-21054 is a critical 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 M(6.0), N(7.x) and O(8.x) except exynos9610/9820 in all Platforms, M(6.0) except MSM8909 SC77xx/9830 exynos3470/5420, N(7.0) except MSM8939, N(7.1) except MSM8996 SDM6xx/M6737T software. There is an integer underflow with a resultant buffer overflow in eCryptFS. The Samsung ID is SVE-2017-11857 (September 2018).

Weakness: CWE-190

Which versions are affected by CVE-2018-21054?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2018-21054?

No fix has been published for CVE-2018-21054 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-21054 being exploited?

There is no known exploitation of CVE-2018-21054 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-4834-vc2f-m7rj.

Is CVE-2018-21054 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free