CVE-2020-2524 Denial of service in Knowledge

Medium 5.9 Published 15 Apr 2020 Updated 30 Sep 2024

An unauthenticated attacker can cause a complete denial of service in Oracle Knowledge via HTTP requests.

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-2020-2524?

CVE-2020-2524 is a medium-severity denial of service vulnerability in Oracle Corporation Knowledge, published on 15 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in the Oracle Knowledge product of Oracle Knowledge (component: InQuira Search). Supported versions that are affected are 8.6.0-8.6.3. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Knowledge. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Knowledge. CVSS 3.0 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

Which versions are affected by CVE-2020-2524?

It affects 1 product.

Products include Oracle Knowledge.

How do I fix CVE-2020-2524?

No fix has been published for CVE-2020-2524 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-2020-2524 being exploited?

There is no known exploitation of CVE-2020-2524 in the wild and no public exploit code.

Sources

Also known as GHSA-433p-hr74-8hv2.