OSV-2022-837 Heap-buffer-overflow in DetectGetLastSMFromMpmLists

Not scored Published

A heap-buffer-overflow in ClamAV's signature parsing allows attackers to cause denial of service or potentially execute code via crafted files.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Not stated
Victim action needed
Not needed
Fix
None listed

What is OSV-2022-837?

OSV-2022-837 is a memory corruption vulnerability in suricata, published on 4 Sep 2022.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50929

Crash type: Heap-buffer-overflow READ 8
Crash state:
DetectGetLastSMFromMpmLists
DetectFastPatternSetup
SigParse

Which versions are affected by OSV-2022-837?

1 open source package ship an affected version, including suricata.

PackageAffectedFixed in
suricata OSS-FuzzAll versionsNone

How do I fix OSV-2022-837?

No fix has been published for OSV-2022-837 yet. Limit exposure of the affected software until one is available.

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

Is OSV-2022-837 being exploited?

There is no known exploitation of OSV-2022-837 in the wild and no public exploit code.

Sources

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