CVE-2018-9989 Memory corruption in n/a
A buffer over-read in mbed TLS allows attackers to cause a crash via invalid input, impacting applications using the library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-9989?
CVE-2018-9989 is a high-severity memory corruption vulnerability in Arm Mbed Tls, published on 10 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ARM mbed TLS before 2.1.11, before 2.7.2, and before 2.8.0 has a buffer over-read in ssl_parse_server_psk_hint() that could cause a crash on invalid input.
Weakness: CWE-125
Which versions are affected by CVE-2018-9989?
It affects 3 products.
Products include Arm Mbed Tls, Debian Debian Linux, Trustedfirmware Mbed Tls.
How do I fix CVE-2018-9989?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-9989 being exploited?
There is no known exploitation of CVE-2018-9989 in the wild and no public exploit code.
Other vulnerabilities in Arm Mbed Tls
Sources
Also known as DEBIAN-CVE-2018-9989, GHSA-w8m4-8r7x-cjvp, UBUNTU-CVE-2018-9989.