UNIX symbolic link following in Snapd - CVE-2024-29069
Published: August 1, 2024
Vulnerability identifier: #VU95150
CSH Severity: Low
CVSS v4: 2.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-29069
CWE-ID: CWE-61
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to a symlink following issue when extracting a snap. An attacker who could convince a user to install a malicious snap can force the application to write data into a world-readable directory and gain access to sensitive information.
Affected software
Snapd
Ubuntu
snapd (Ubuntu package)
Ubuntu
snapd (Ubuntu package)
How to mitigate CVE-2024-29069
Install updates from vendor's website.
Snapd - update to 2.62
snapd (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 2.63+20.04ubuntu0.1, 2.63+22.04ubuntu0.1, 2.63+24.04ubuntu0.1
snapd (Ubuntu package) - addressed in versions Ubuntu Pro (Infra-only), 2.63+20.04ubuntu0.1, 2.63+22.04ubuntu0.1, 2.63+24.04ubuntu0.1