CVE-2020-3812
Last modified
CVE-2020-3812 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Netqmail | Netqmail | 1.06 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Canonical | Ubuntu Linux | 20.04 |
References
- https://bugs.debian.org/961060Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00002.htmlMailing List, Third 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/2020/05/19/8Exploit, Mailing List, Patch, Third Party Advisory
- https://bugs.debian.org/961060Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00002.htmlMailing List, Third 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/2020/05/19/8Exploit, Mailing List, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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