#VU98780 Resource exhaustion in jwx - CVE-2024-28122

Vulnerability identifier: #VU98780

Vulnerability risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-28122

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
jwx
Other software / Other software solutions

Vendor: lestrrat-go

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources. A remote privileged user with trusted public key can cause a Denial-of-Service (DoS) condition by crafting a malicious JSON Web Encryption (JWE) token with an exceptionally high compression ratio

Mitigation
Install updates from vendor's website.

Vulnerable software versions

jwx: 0.9.0 - 2.0.20

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External links
https://github.com/lestrrat-go/jwx/security/advisories/GHSA-hj3v-m684-v259
https://github.com/lestrrat-go/jwx/releases/tag/v1.2.29
https://github.com/lestrrat-go/jwx/releases/tag/v2.0.21

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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