OS Command Injection in kitty - CVE-2020-35605
Published: December 21, 2020 / Updated: December 28, 2020
Vulnerability identifier: #VU49155
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-35605
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation within the Graphics Protocol feature in graphics.c in kitty when processing a filename containing special characters. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
kitty
kitty (Debian package)
kitty (Ubuntu package)
kitty
Fedora
Ubuntu
kitty (Debian package)
kitty (Ubuntu package)
kitty
Fedora
Ubuntu
How to mitigate CVE-2020-35605
Install updates from vendor's website.
kitty - update to 0.19.3
kitty (Debian package) - update to 0.13.3-1+deb10u1
kitty (Ubuntu package) - addressed in versions 0.15.0-1ubuntu0.2, 0.21.2-1ubuntu0.22.04.1
kitty - update to 0.19.3-1.el8
kitty (Debian package) - update to 0.13.3-1+deb10u1
kitty (Ubuntu package) - addressed in versions 0.15.0-1ubuntu0.2, 0.21.2-1ubuntu0.22.04.1
kitty - update to 0.19.3-1.el8