High severity · published Oct 10, 2022
CVE-2022-39288
Denial of service in Fastify via Content-Type header
7.5
CVSS
59.2%
EPSS
No
On KEV
Description
fastify is a fast and low overhead web framework, for Node.js. Affected versions of fastify are subject to a denial of service via malicious use of the Content-Type header. An attacker can send an invalid Content-Type header that can cause the application to crash. This issue has been addressed in commit `fbb07e8d` and will be included in release version 4.8.1. Users are advised to upgrade. Users unable to upgrade may manually filter out http content with malicious Content-Type headers.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)59.2% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FA
fastify · fastify
>= 4.0.0, < 4.8.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-39288
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-39288
Patch
https://github.com/fastify/fastify/commit/fbb07e8dfad74c69cd4cd2211aedab87194618e3
Mitigation
https://github.com/fastify/fastify/security/advisories/GHSA-455w-c45v-86rg
Third Party Advisory
https://github.com/fastify/fastify/security/policy
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