CVE-2020-8442 Memory corruption in n/a

High 8.8 Published Updated

An authenticated attacker can trigger a heap-based buffer overflow in the OSSEC log analysis server, potentially leading to code execution or privilege escalation.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-8442?

CVE-2020-8442 is a high-severity memory corruption vulnerability in n/a, published on 30 Jan 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to a heap-based buffer overflow in the rootcheck decoder component via an authenticated client.

Weakness: CWE-787

Which versions are affected by CVE-2020-8442?

It affects 1 product.

Products include Ossec Ossec.

How do I fix CVE-2020-8442?

No fix has been published for CVE-2020-8442 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 CVE-2020-8442 being exploited?

There is no known exploitation of CVE-2020-8442 in the wild and no public exploit code.

Sources

Also known as GHSA-249h-cc9x-grm3.

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