CVE-2019-18794 Use after free in n/a

Medium 6.5 Published Updated

A use-after-free vulnerability in the BASS Audio Library allows attackers to disclose sensitive information or cause denial of service via a crafted OGG file.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2019-18794?

CVE-2019-18794 is a medium-severity use after free vulnerability in n/a, published on 16 Oct 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The BASS Audio Library 2.4.14 under Windows is prone to a BASS_StreamCreateFile Use after Free vulnerability via a crafted .ogg file. An attacker can exploit this to gain access to sensitive information that may aid in further attacks. A failure in exploitation leads to denial of service.

Weakness: CWE-416

Which versions are affected by CVE-2019-18794?

It affects 1 product.

Products include Un4seen Bass.

How do I fix CVE-2019-18794?

No fix has been published for CVE-2019-18794 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2019-18794 being exploited?

There is no known exploitation of CVE-2019-18794 in the wild and no public exploit code.

Sources

Also known as GHSA-3j8m-jchc-w7pr.

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