#VU68304 Improper Check for Unusual or Exceptional Conditions in Fastify


Published: 2022-10-13

Vulnerability identifier: #VU68304

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-39288

CWE-ID: CWE-754

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Fastify
Server applications / Frameworks for developing and running applications

Vendor: fastify.io

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper error handling. A remote attacker can send an invalid Content-Type HTTP header and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Fastify: 4.0.0 - 4.8.0


External links
http://github.com/fastify/fastify/security/advisories/GHSA-455w-c45v-86rg
http://github.com/fastify/fastify/commit/fbb07e8dfad74c69cd4cd2211aedab87194618e3
http://github.com/fastify/fastify/releases/tag/v4.8.1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability