Vulnerability CVE-2013-7449
Published: 2016-04-21

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.

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Xchat -> Xchat 
Xchat -> Xchat gnome 
Hexchat -> Hexchat 
Canonical -> Ubuntu linux 

 References:
https://github.com/hexchat/hexchat/issues/524
https://github.com/hexchat/hexchat/commit/c9b63f7f9be01692b03fa15275135a4910a7e02d
https://bugzilla.redhat.com/show_bug.cgi?id=1081839
http://www.ubuntu.com/usn/USN-2945-1
http://hexchat.readthedocs.org/en/latest/changelog.html
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