CVE-2018-20194 Memory corruption in n/a

High 7.8 Published Updated

A stack-based buffer underflow in FAAD2 allows attackers to cause denial of service or potentially execute code via crafted audio files.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2018-20194?

CVE-2018-20194 is a high-severity memory corruption vulnerability in n/a, published on 18 Dec 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

There is a stack-based buffer underflow in the third instance of the calculate_gain function in libfaad/sbr_hfadj.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. A crafted input will lead to a denial of service or possibly unspecified other impact because limiting the additional noise energy level is mishandled for the G_max <= G case.

Weakness: CWE-787

Which versions are affected by CVE-2018-20194?

It affects 1 product.

Products include Audiocoding Freeware Advanced Audio Decoder 2.

How do I fix CVE-2018-20194?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-20194 being exploited?

There is no known exploitation of CVE-2018-20194 in the wild and no public exploit code.

Sources

Also known as ALPINE-CVE-2018-20194, CLEANSTART-2023-NX33321, DEBIAN-CVE-2018-20194, GHSA-7qq4-pm9m-xhg4, UBUNTU-CVE-2018-20194.

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