Vulnerability Details : 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 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
Products affected by CVE-2013-7449
- cpe:2.3:a:xchat:xchat:-:*:*:*:*:*:*:*
- cpe:2.3:a:xchat:xchat_gnome:-:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:a:hexchat_project:hexchat:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2013-7449
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2013-7449
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:N |
8.6
|
4.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
3.9
|
2.5
|
NIST |
CWE ids for CVE-2013-7449
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-7449
-
https://github.com/hexchat/hexchat/commit/c9b63f7f9be01692b03fa15275135a4910a7e02d
ssl: Validate hostnames · hexchat/hexchat@c9b63f7 · GitHub
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http://hexchat.readthedocs.org/en/latest/changelog.html
HexChat ChangeLog — HexChat 2.12.0 documentationVendor Advisory
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http://www.ubuntu.com/usn/USN-2945-1
USN-2945-1: XChat-GNOME vulnerability | Ubuntu security notices
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https://github.com/hexchat/hexchat/issues/524
SSL: The certificate's Common Name (CN) field is not verified · Issue #524 · hexchat/hexchat · GitHub
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https://bugzilla.redhat.com/show_bug.cgi?id=1081839
1081839 – (CVE-2013-7449) CVE-2013-7449 xchat/hexchat: does not verify the server hostname matches the domain name in the subject's Common Name (CN) or subjectAltName field in X.509 certificates
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