Vulnerability Description
qmail-verify as used in netqmail 1.06 is prone to an information disclosure vulnerability. A local attacker can test for the existence of files and directories anywhere in the filesystem because qmail-verify runs as root and tests for the existence of files in the attacker's home directory, without dropping its privileges first.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Netqmail | Netqmail | 1.06 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 20.04 |
Related Weaknesses (CWE)
References
- https://bugs.debian.org/961060Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00002.htmlMailing ListThird Party Advisory
- https://usn.ubuntu.com/4556-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4692Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/05/19/8ExploitMailing ListPatch
- https://bugs.debian.org/961060Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00002.htmlMailing ListThird Party Advisory
- https://usn.ubuntu.com/4556-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4692Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/05/19/8ExploitMailing ListPatch
FAQ
What is CVE-2020-3812?
CVE-2020-3812 is a vulnerability with a CVSS score of 5.5 (MEDIUM). qmail-verify as used in netqmail 1.06 is prone to an information disclosure vulnerability. A local attacker can test for the existence of files and directories anywhere in the filesystem because qmail...
How severe is CVE-2020-3812?
CVE-2020-3812 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-3812?
Check the references section above for vendor advisories and patch information. Affected products include: Netqmail Netqmail, Debian Debian Linux, Canonical Ubuntu Linux.