Home/CVE/qmail-verify as used in netqmail 1.06 is prone to a mail-address verification bypass vulnerability.
CVE

CVE-2020-3811

qmail-verify as used in netqmail 1.06 is prone to a mail-address verification bypass vulnerability.

qmail-verify as used in netqmail 1.06 is prone to a mail-address verification bypass vulnerability.

HIGH · CVSS 7.5 EPSS 0.00424
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-665Improper Initialization
CWE-863Incorrect Authorization
▤

Affected Products & Versions

3
netqmailall versions
debian linuxall versions
canonical ubuntu linuxall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · security@debian.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 May 2020 · 01:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
⚑

Vendor Advisories

2
usnUSN-4621-1
usnUSN-4556-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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 ListPatchThird Party Advisory
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