CVE-2023-29487 Denial of service in n/a

Critical 9.1 Published Updated

Attackers could cause denial of service in Heimdal Thor agent via the Threat To Process Correlation module, though the vendor disputes this as a valid vulnerability.

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

What is CVE-2023-29487?

CVE-2023-29487 is a critical denial of service vulnerability in n/a, published on 21 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Heimdal Thor agent versions 3.4.2 and before on Windows and 2.6.9 and before on macOS, allows attackers to cause a denial of service (DoS) via the Threat To Process Correlation threat prevention module. NOTE: Heimdal asserts this is not a valid vulnerability. Their DNS Security for Endpoint solution includes an optional feature to provide extra information on the originating process that made a DNS request. The lack of process identification in DNS logs is therefore falsely categorized as a DoS issue.

Weakness: CWE-1333

Which versions are affected by CVE-2023-29487?

It affects 1 product.

Products include Heimdalsecurity Thor.

How do I fix CVE-2023-29487?

No fix has been published for CVE-2023-29487 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-29487 being exploited?

There is no known exploitation of CVE-2023-29487 in the wild and no public exploit code.

Sources

Also known as GHSA-9jxf-24g6-463j.

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