Back to Database
Status published
Medium
CVE-2020-10958
In Dovecot before 2.3.10.1, a crafted SMTP/LMTP message triggers an...
Vulnerability Description
In Dovecot before 2.3.10.1, a crafted SMTP/LMTP message triggers an unauthenticated use-after-free bug in submission-login, submission, or lmtp, and can lead to a crash under circumstances involving many newlines after a command.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-10958
Credits & Attribution
No credits recorded in the NVD database.
References
- https://dovecot.org/security
- https://www.openwall.com/lists/oss-security/2020/05/18/1
- http://www.openwall.com/lists/oss-security/2020/05/18/1
- https://usn.ubuntu.com/4361-1/
- http://seclists.org/fulldisclosure/2020/May/37
- http://packetstormsecurity.com/files/157771/Open-Xchange-Dovecot-2.3.10-Null-Pointer-Dereference-Denial-Of-Service.html
- https://www.debian.org/security/2020/dsa-4690
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVUWHUUAFPC6XGIXYFIPTNBXLHPNM4W6/
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00059.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TTZN2VW55ZC2AQBGBJMLRJSZIKSB2NS6/
More from dovecot
View All →CVE-2022-30550
An issue was discovered in the auth component in Dovecot...
Unknown
0
CVE-2021-33515
The submission service in Dovecot before 2.3.15 allows STARTTLS command...
Medium
4.8
CVE-2021-29157
Dovecot before 2.3.15 allows ../ Path Traversal. An attacker with...
High
7.5
CVE-2020-7957
The IMAP and LMTP components in Dovecot 2.3.9 before 2.3.9.3...
Low
3.1
CVE-2020-7046
lib-smtp in submission-login and lmtp in Dovecot 2.3.9 before 2.3.9.3...
High
7.5
Affected Vendor
dovecot
View all reports →Affected Software
dovecot
Vulnerable Versions:
0
Timeline
Official Publish:
May 18th, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.0/AC:L/AV:N/A:L/C:N/I:N/PR:N/S:U/UI:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.