Authd, through version 0.3.6, did not sufficiently randomize user IDs to prevent collisions. A local attacker who can register user names could spoof another user's ID and gain their privileges.
https://www.cve.org/CVERecord?id=CVE-2024-9312
https://github.com/ubuntu/authd/security/advisories/GHSA-4gfw-wf7c-w6g2
Published: 2024-10-10
Updated: 2024-10-15
Base Score: 5.9
Vector: CVSS2#AV:L/AC:H/Au:M/C:C/I:C/A:C
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Severity: High
Base Score: 5.5
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
Severity: Medium
EPSS: 0.00031