Out-of-bounds write in lrzip - CVE-2022-28044
Published: May 25, 2022 / Updated: May 25, 2022
Vulnerability identifier: #VU63640
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-28044
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to a heap memory corruption via the component lrzip.c:initialise_control. A remote attacker can trick the victim into opening a specially crafted Irz file, trigger an out-of-bounds write and execute arbitrary code.
Affected software
lrzip
Ubuntu
lrzip (Ubuntu package)
lrzip (Debian package)
Ubuntu
lrzip (Ubuntu package)
lrzip (Debian package)
How to mitigate CVE-2022-28044
Install updates from vendor's website.
lrzip - update to 0.641
lrzip (Ubuntu package) - addressed in versions Ubuntu Pro, 0.631+git180528-1+deb10u1build0.20.04.1, 0.631-1+deb9u3build0.18.04.1, 0.651-2ubuntu0.22.04.1, 0.651-2ubuntu0.22.10.1
lrzip (Debian package) - addressed in versions 0.631+git180528-1+deb10u1, 0.641-1+deb11u1
lrzip (Ubuntu package) - addressed in versions Ubuntu Pro, 0.631+git180528-1+deb10u1build0.20.04.1, 0.631-1+deb9u3build0.18.04.1, 0.651-2ubuntu0.22.04.1, 0.651-2ubuntu0.22.10.1
lrzip (Debian package) - addressed in versions 0.631+git180528-1+deb10u1, 0.641-1+deb11u1