Medium severity · published Apr 21, 2016
CVE-2013-7449
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…
6.5
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HE
Hexchat · Hexchat Project
through 2.10.1 · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 15.10 · source: NVD
XC
Xchat · Xchat
All versions, or not specified · source: NVD
XG
Xchat Gnome · Xchat
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2013-7449
CVE.org
https://www.cve.org/CVERecord?id=CVE-2013-7449
Vendor Advisory
http://hexchat.readthedocs.org/en/latest/changelog.html
www.ubuntu.com
http://www.ubuntu.com/usn/USN-2945-1
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=1081839
github.com
https://github.com/hexchat/hexchat/commit/c9b63f7f9be01692b03fa15275135a4910a7e02d
github.com
https://github.com/hexchat/hexchat/issues/524
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