High severity7.5NVD Advisory· Published Mar 15, 2021· Updated Jun 17, 2026
CVE-2021-28374
CVE-2021-28374
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).
Affected products
4cpe:2.3:a:debian:courier-authlib:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:debian:courier-authlib:*:*:*:*:*:*:*:*range: <0.71.1-2
- (no CPE)range: <0.71.1-2
- Courier Authentication Library/courier-authlibdescription
Patches
Vulnerability mechanics
References
2- bugs.debian.org/984810nvdMailing ListVendor Advisory
- lists.debian.org/debian-lts-announce/2021/04/msg00011.htmlnvdMailing ListThird Party Advisory
News mentions
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