CVE-2021-22191 Code injection in Wireshark
Remote attackers can execute arbitrary code by exploiting improper URL handling in Wireshark via crafted packets or capture files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-22191?
CVE-2021-22191 is a medium-severity code injection vulnerability in Debian Debian Linux, published on 15 Mar 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Improper URL handling in Wireshark 3.4.0 to 3.4.3 and 3.2.0 to 3.2.11 could allow remote code execution via via packet injection or crafted capture file.
Weakness: CWE-74
Which versions are affected by CVE-2021-22191?
It affects 3 products.
Products include Debian Debian Linux, Oracle Zfs Storage Appliance, Wireshark Wireshark.
How do I fix CVE-2021-22191?
Upgrade to a fixed version.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2021-22191 being exploited?
There is no known exploitation of CVE-2021-22191 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2021-22191, GHSA-w6w5-wrcg-5jrx, MGASA-2021-0185, UBUNTU-CVE-2021-22191.