CVE-2017-18020 Memory corruption in n/a
Attackers can execute arbitrary code in the bootloader of Samsung devices with Exynos chipsets due to a missing size check during ramfs data copying.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-18020?
CVE-2017-18020 is a high-severity memory corruption vulnerability in n/a, published on 4 Jan 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
On Samsung mobile devices with L(5.x), M(6.x), and N(7.x) software and Exynos chipsets, attackers can execute arbitrary code in the bootloader because S Boot omits a size check during a copy of ramfs data to memory. The Samsung ID is SVE-2017-10598.
Weakness: CWE-20
Which versions are affected by CVE-2017-18020?
It affects 1 product.
Products include Samsung Samsung Mobile.
How do I fix CVE-2017-18020?
No fix has been published for CVE-2017-18020 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-2017-18020 being exploited?
There is no known exploitation of CVE-2017-18020 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-3g3q-wmw4-39qf.