CVE-2018-0498 Information disclosure in ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14

Medium 4.7 Published Updated

Local attackers can recover partial plaintext from CBC ciphersuites via cache side-channel attacks in mbed TLS.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2018-0498?

CVE-2018-0498 is a medium-severity vulnerability in Arm Mbed Tls, published on 28 Jul 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows local users to achieve partial plaintext recovery (for a CBC based ciphersuite) via a cache-based side-channel attack.

Which versions are affected by CVE-2018-0498?

It affects 2 products.

Products include Arm Mbed Tls, Debian Debian Linux.

How do I fix CVE-2018-0498?

Upgrade to a fixed version.

Is CVE-2018-0498 being exploited?

There is no known exploitation of CVE-2018-0498 in the wild and no public exploit code.

All Arm Mbed Tls vulnerabilities

Sources

Also known as ALPINE-CVE-2018-0498, DEBIAN-CVE-2018-0498, GHSA-f3f3-2pmh-mpg9, UBUNTU-CVE-2018-0498.

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