CVE-2013-7449 Security feature bypass in n/a
Man-in-the-middle attackers can spoof SSL servers because the IRC client fails to verify hostname matches in X.509 certificates.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-7449?
CVE-2013-7449 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 21 Apr 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-310
Which versions are affected by CVE-2013-7449?
It affects 4 products.
Products include Canonical Ubuntu Linux, Hexchat Project Hexchat, Xchat Xchat, Xchat Xchat Gnome.
How do I fix CVE-2013-7449?
Upgrade to a fixed version.
Is CVE-2013-7449 being exploited?
There is no known exploitation of CVE-2013-7449 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2013-7449, GHSA-vcmj-h4g7-8fpr, UBUNTU-CVE-2013-7449.