CVE-2007-3123 Memory corruption in n/a

Medium 5.0 Published Updated

Remote attackers can cause a denial of service via a crafted RAR file triggering a heap-based buffer overflow in ClamAV's libclamav.

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

What is CVE-2007-3123?

CVE-2007-3123 is a medium-severity memory corruption vulnerability in Clam Anti-Virus Clamav, published on 7 Jun 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

unrar.c in libclamav in ClamAV before 0.90.3 and 0.91 before 0.91rc1 allows remote attackers to cause a denial of service (core dump) via a crafted RAR file with a modified vm_codesize value, which triggers a heap-based buffer overflow.

Which versions are affected by CVE-2007-3123?

It affects 1 product.

Products include Clam Anti-Virus Clamav.

How do I fix CVE-2007-3123?

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-2007-3123 being exploited?

There is no known exploitation of CVE-2007-3123 in the wild and no public exploit code.

All Clam Anti-Virus Clamav vulnerabilities

Sources

Also known as DEBIAN-CVE-2007-3123, GHSA-x4f5-q2qx-hmgg.

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