Threat Investigation
Request a demo

CVE-2021-28374

High

Description

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).

SeverityHigh
CVSS7.5
Exploit probability—
ProductDebian Courier-authlib
PublishedMar 15, 2021
First seenMar 15, 2021

How to fix

Update
  • debian courier-authlib0.71.1-2 or later

Affected products

ProductAffected versionsFixed in
debian courier-authlibv < 0.71.1-20.71.1-2
debian debian_linux9.0—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.