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).

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

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

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

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 (hide)

cpe:2.3:a:debian:courier-authlib:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-03-15 05:15

Updated : 2022-06-28 14:11

NVD link : CVE-2021-28374

Mitre link : CVE-2021-28374

CVE.ORG link : CVE-2021-28374

JSON object : View

Products Affected

debian

debian_linux
courier-authlib

CWE

CWE-732

Incorrect Permission Assignment for Critical Resource

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