CVE-2020-25054 Memory corruption in n/a

Critical 9.1 Published 31 Aug 2020 Updated 4 Aug 2024

Heap-based buffer over-read in Samsung Exynos modem firmware allows attackers to cause denial of service or disclose sensitive information.

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-2020-25054?

CVE-2020-25054 is a critical memory corruption vulnerability in n/a, published on 31 Aug 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 software through 2020-04-02 (Exynos modem chipsets). There is a heap-based buffer over-read in the Shannon baseband. The Samsung ID is SVE-2020-17239 (August 2020).

Weakness: CWE-125

Which versions are affected by CVE-2020-25054?

It affects 1 product.

Products include Samsung Exynos.

How do I fix CVE-2020-25054?

No fix has been published for CVE-2020-25054 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-2020-25054 being exploited?

There is no known exploitation of CVE-2020-25054 in the wild and no public exploit code.

Sources

Also known as GHSA-w3cr-gg44-gc99.