CVEvulnerability
CVE-2020-16127
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-11-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 2.8 LOW — CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-20, CWE-835
Description
An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, would perform unbounded read operations on user-controlled ~/.pam_environment files, allowing an infinite loop if /dev/zero is symlinked to this location.
Affected configurations
• freedesktop accountsservice (< 0.6.55)
Related
References
- https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS Exploit, Third Party Advisory
- https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS Exploit, Third Party Advisory