Improper certificate validation in Slixmpp

1) Improper Certificate Validation

EUVDB-ID: #VU75725

Risk: Medium

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

CVE-ID: CVE-2022-45197

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper certificate validation in slixmpp/xmlstream/xmlstream.py. A remote attacker can perform MitM attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Slixmpp: 1.0 - 1.8.2

CPE2.3

• cpe:2.3::slixmpp_project:slixmpp:1.0:*:*:*:*:*:*:*
• cpe:2.3::slixmpp_project:slixmpp:1.1:*:*:*:*:*:*:*
• cpe:2.3::slixmpp_project:slixmpp:1.2:*:*:*:*:*:*:*

External links

https://github.com/poezio/slixmpp/commits/master/slixmpp/xmlstream/xmlstream.py
https://lab.louiz.org/poezio/slixmpp/-/commit/b60b1b985db928532f97c4f61d6fbc801f0aa7fa

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.