Resource exhaustion in lestrrat-go/jwx



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-49290
CWE-ID CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
 jwx
Other software / Other software solutions

Vendor lestrrat-go

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU98776

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-49290

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability occurs when the p2c parameter is set too high in JWE's algorithm PBES2-*. A remote attacker can set the p2c parameter in JWE to a very large number, cause a lot of computational consumption, resulting in a denial of service

Mitigation

Install update from vendor's website.

Vulnerable software versions

jwx: 0.9.0 - 2.0.17

CPE2.3 External links

https://github.com/lestrrat-go/jwx/security/advisories/GHSA-7f9x-gw85-8grf
https://github.com/lestrrat-go/jwx/commit/64f2a229b8e18605f47361d292b526bdc4aee01c


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.



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