CVE-2017-9870 Memory corruption in n/a

Medium 5.5 Published Updated

Remote attackers can cause a denial of service via a crafted audio file due to a buffer over-read in the mpglib library.

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-2017-9870?

CVE-2017-9870 is a medium-severity memory corruption vulnerability in n/a, published on 25 Jun 2017. 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

The III_i_stereo function in layer3.c in mpglib, as used in libmpgdecoder.a in LAME 3.99.5 and other products, allows remote attackers to cause a denial of service (buffer over-read and application crash) via a crafted audio file that is mishandled in the code for the "block_type == 2" case, a similar issue to CVE-2017-11126.

Weakness: CWE-125

Which versions are affected by CVE-2017-9870?

It affects 1 product.

Products include Lame Project Lame.

How do I fix CVE-2017-9870?

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-2017-9870 being exploited?

There is no known exploitation of CVE-2017-9870 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2017-9870, GHSA-7fv2-65h7-w476, UBUNTU-CVE-2017-9870.

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