CVE-2020-25269 Use after free in n/a
Remote attackers can crash the InspIRCd server via a use-after-free flaw in the pgsql module when used with specific SQL authentication modules.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-25269?
CVE-2020-25269 is a medium-severity use after free vulnerability in Debian Debian Linux, published on 11 Sep 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue was discovered in InspIRCd 2 before 2.0.29 and 3 before 3.6.0. The pgsql module contains a use after free vulnerability. When combined with the sqlauth or sqloper modules, this vulnerability can be used for remote crashing of an InspIRCd server by any user able to connect to a server.
Weakness: CWE-416
Which versions are affected by CVE-2020-25269?
It affects 2 products.
Products include Debian Debian Linux, Inspircd Inspircd.
How do I fix CVE-2020-25269?
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-2020-25269 being exploited?
There is no known exploitation of CVE-2020-25269 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2020-25269, GHSA-gw5w-x93w-mq79, UBUNTU-CVE-2020-25269.