Vulnerability 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).
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | Courier-Authlib | < 0.71.1-2 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://bugs.debian.org/984810Mailing ListVendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00011.htmlMailing ListThird Party Advisory
- https://bugs.debian.org/984810Mailing ListVendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00011.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2021-28374?
CVE-2021-28374 is a vulnerability with a CVSS score of 7.5 (HIGH). 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. ...
How severe is CVE-2021-28374?
CVE-2021-28374 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-28374?
Check the references section above for vendor advisories and patch information. Affected products include: Debian Courier-Authlib, Debian Debian Linux.