Description
The ssl_do_connect function in common/server.c in HexChat before 2.10.2, XChat, and XChat-GNOME does not verify that the server hostname matches a domain name in the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
Metrics
CVSS 3.0 6.5/10
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://hexchat.readthedocs.org/en/latest/changelog.htmlVendor Advisory
- http://www.ubuntu.com/usn/USN-2945-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1081839
- https://github.com/hexchat/hexchat/commit/c9b63f7f9be01692b03fa15275135a4910a7e02d
- https://github.com/hexchat/hexchat/issues/524
- http://hexchat.readthedocs.org/en/latest/changelog.htmlVendor Advisory
- http://www.ubuntu.com/usn/USN-2945-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1081839
- https://github.com/hexchat/hexchat/commit/c9b63f7f9be01692b03fa15275135a4910a7e02d
- https://github.com/hexchat/hexchat/issues/524
Timeline
- Published
- Apr 21, 2016
- Last modified
- Jun 17, 2026
- NVD status
- Modified