CVE-2021-24116 Information disclosure in n/a

Medium 4.9 Published Updated

Administrators can extract secret RSA keys from wolfSSL via side-channel attacks on base64 PEM decoding in isolated environments like Intel SGX.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2021-24116?

CVE-2021-24116 is a medium-severity vulnerability in Wolfssl Wolfssl, published on 14 Jul 2021. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

In wolfSSL through 4.6.0, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single stepped, especially Intel SGX.

Weakness: CWE-203

Which versions are affected by CVE-2021-24116?

It affects 1 product.

Products include Wolfssl Wolfssl.

How do I fix CVE-2021-24116?

Upgrade to a fixed version.

Is CVE-2021-24116 being exploited?

There is no known exploitation of CVE-2021-24116 in the wild and no public exploit code.

All Wolfssl Wolfssl vulnerabilities

Sources

Also known as DEBIAN-CVE-2021-24116, GHSA-jh62-5q2g-qjmx, UBUNTU-CVE-2021-24116.

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