CVE-2020-12845 Null dereference in n/a

High 7.5 Published 27 Jul 2020 Updated 4 Aug 2024

Remote unauthenticated attackers can crash the Cherokee web server by sending a malformed Authorization header, causing a null pointer dereference.

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

What is CVE-2020-12845?

CVE-2020-12845 is a high-severity vulnerability in n/a, published on 27 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cherokee 0.4.27 to 1.2.104 is affected by a denial of service due to a NULL pointer dereferences. A remote unauthenticated attacker can crash the server by sending an HTTP request to protected resources using a malformed Authorization header that is mishandled during a cherokee_buffer_add call within cherokee_validator_parse_basic or cherokee_validator_parse_digest.

Weakness: CWE-476

Which versions are affected by CVE-2020-12845?

It affects 1 product.

Products include Cherokee-Project Cherokee.

How do I fix CVE-2020-12845?

Apply the vendor's patch.

Is CVE-2020-12845 being exploited?

There is no known exploitation of CVE-2020-12845 in the wild and no public exploit code.

Sources

Also known as GHSA-g9j5-2x3f-77xp, MGASA-2021-0019.