Vulnerability in Weechat

CVE-2022-28352

WeeChat (aka Wee Enhanced Environment for Chat) 3.2 to 3.4 before 3.4.1 does not properly verify the TLS certificate of the server, after certain GnuTLS options are changed, which allows man-in-the-middle attackers to spoof a TLS chat server via an arbitrary certificate. NOTE: this only affects situations where weechat.network.gnutls_ca_system or weechat.network.gnutls_ca_user is changed without a WeeChat restart.

Vulnerability class: Improper Certificate Validation

EPSS: 0.004 (35.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, x_refsource_MISC, Vendor Advisory)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Mitigation, Issue Tracking)

Frequently asked questions

What is CVE-2022-28352?
CVE-2022-28352 is a medium-severity vulnerability in Weechat, classified under Improper Certificate Validation. CVSS score: 4.3/10. Published 2022-04-02.
How severe is CVE-2022-28352?
Medium severity. CVSS v3 base score is 4.3 out of 10.