#VU63168 Use of a broken or risky cryptographic algorithm


Published: 2022-05-13

Vulnerability identifier: #VU63168

Vulnerability risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-29217

CWE-ID: CWE-327

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
pyjwt
Other software / Other software solutions

Vendor: jpadilla (José Padilla)

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to use of a broken or risky cryptographic algorithm. A remote attacker can cause key confusion through non-blocklisted public key formats.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

pyjwt: 1.5.0 - 2.3.0


CPE

External links
http://github.com/jpadilla/pyjwt/releases/tag/2.4.0
http://github.com/jpadilla/pyjwt/security/advisories/GHSA-ffqj-6fqr-9h24


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