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).
References (2)
Core 2
Core References
Mailing List, Vendor Advisory x_refsource_misc
https://bugs.debian.org/984810
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/04/msg00011.html
Scores
CVSS v3
7.5
EPSS
0.0029
EPSS Percentile
52.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-732
Status
published
Products (2)
debian/courier-authlib
< 0.71.1-2
debian/debian_linux
9.0
Published
Mar 15, 2021
Tracked Since
Feb 18, 2026