CVE-2020-16127CWE-20

accountsservice .pam_environment infinite loop

Low · published November 11, 2020

CVSS v3.1
2.8
EPSS
0%
Percentile
34.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
2.8 · LOW
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00414 · 34.6th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2020-11-11T04:10Z
EPSS history
Timeline
  • 11 NOV 04:10Z
    accountsservice .pam_environment infinite loop
    cvelistv5