CVE-2018-7053 Use after free in n/a
A use-after-free flaw in Irssi allows attackers to execute arbitrary code or cause a denial of service via crafted SASL messages.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-7053?
CVE-2018-7053 is a critical use after free vulnerability in Canonical Ubuntu Linux, published on 15 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. There is a use-after-free when SASL messages are received in an unexpected order.
Weakness: CWE-416
Which versions are affected by CVE-2018-7053?
It affects 3 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Irssi Irssi.
How do I fix CVE-2018-7053?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2018-7053 being exploited?
There is no known exploitation of CVE-2018-7053 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2018-7053, DEBIAN-CVE-2018-7053, GHSA-jfgj-q49c-3779, UBUNTU-CVE-2018-7053.