CVE Vulnerability

CVE-2020-16127

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.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:freedesktop:accountsservice:*:*:*:*:*:*:*:*
Information

Published : 2020-11-11 04:15

Updated : 2020-11-24 07:50

NVD link : CVE-2020-16127

Mitre link : CVE-2020-16127

Products Affected
No products.
CWE
CWE-835