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Status published
High
CVE-2020-12673
In Dovecot before 2.3.11.3, sending a specially formatted NTLM request...
Vulnerability Description
In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because of an out-of-bounds read.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://dovecot.org/security
- https://www.openwall.com/lists/oss-security/2020/08/12/2
- https://www.debian.org/security/2020/dsa-4745
- https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html
- https://usn.ubuntu.com/4456-1/
- https://usn.ubuntu.com/4456-2/
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/
- https://security.gentoo.org/glsa/202009-02
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/
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Affected Vendor
dovecot
View all reports →Affected Software
dovecot, debian linux, ubuntu linux, fedora
Vulnerable Versions:
0, 9.0, 10.0, 14.04, 16.04, 18.04, 20.04, 31, 32, 33
Timeline
Official Publish:
August 12th, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.