CVE-2020-24696 Race condition in n/a

High 8.1 Published Updated

Remote attackers can cause crashes or execute code via a race condition in PowerDNS when experimental GSS-TSIG is enabled.

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

What is CVE-2020-24696?

CVE-2020-24696 is a high-severity vulnerability in n/a, published on 2 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can trigger a race condition leading to a crash, or possibly arbitrary code execution, by sending crafted queries with a GSS-TSIG signature.

Weakness: CWE-362

Which versions are affected by CVE-2020-24696?

It affects 1 product.

Products include Powerdns Authoritative.

How do I fix CVE-2020-24696?

Apply the vendor's patch.

Is CVE-2020-24696 being exploited?

There is no known exploitation of CVE-2020-24696 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2020-24696, GHSA-6vw9-xcrf-334g.

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