Permissions, Privileges, and Access Controls in Snapd - CVE-2019-11502
Published: April 30, 2019
Vulnerability identifier: #VU18376
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-11502
CWE-ID: CWE-264
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 an error in snap-confine when setting owneship permissions of a snap application to the uid and gid of the first calling user. A local user can gain unauthorized access to files in private /tmp directory.
Affected software
Snapd
How to mitigate CVE-2019-11502
Install updates from vendor's website.
Snapd - update to 2.38