CVE-2020-16127
Last modified
CVE-2020-16127 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Freedesktop | Accountsservice | < 0.6.55 |
References
- https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOSExploit, Third Party Advisory
- https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOSExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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