CVE-2013-7449

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Summary

CVECVE-2013-7449
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-04-21 14:59:00 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.0 6.5 MEDIUM from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Problem Types: CWE-310 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary6.5MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
2.0[email protected]Primary5.8AV:N/AC:M/Au:N/C:P/I:P/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
None

AV:N/AC:M/Au:N/C:P/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 12.04 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 15.10 All All All
Application Hexchat Project Hexchat All All All All
Application Xchat Xchat - All All All
Application Xchat Xchat Gnome - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
USN-2945-1: XChat-GNOME vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
SSL: The certificate's Common Name (CN) field is not verified · Issue #524 · hexchat/hexchat · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
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 af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
HexChat ChangeLog — HexChat 2.9.5 documentation af854a3a-2127-422b-91ae-364da2661108 hexchat.readthedocs.org Vendor Advisory
ssl: Validate hostnames · hexchat/hexchat@c9b63f7 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
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