CVE Vulnerability

CVE-2021-28374

The Debian courier-authlib package before 0.71.1-2 for Courier Authentication Library creates a /run/courier/authdaemon directory with weak permissions, allowing an attacker to read user information. This may include a cleartext password in some configurations. In general, it includes the user's existence, uid and gids, home and/or Maildir directory, quota, and some type of password information (such as a hash).

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://bugs.debian.org/984810 Mailing List Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00011.html Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:debian:courier-authlib:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Information

Published : 2021-03-15 05:15

Updated : 2022-06-28 02:11

NVD link : CVE-2021-28374

Mitre link : CVE-2021-28374

Products Affected

Courier-authlib

Debian

CWE
CWE-732