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Status published
High
CVE-2020-12100
In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and...
Vulnerability Description
In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of service (resource consumption) via a crafted e-mail message with deeply nested MIME parts.
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
- http://www.openwall.com/lists/oss-security/2020/08/12/1
- 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/
- 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/
- http://www.openwall.com/lists/oss-security/2021/01/04/3
- http://seclists.org/fulldisclosure/2021/Jan/18
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Affected Vendor
dovecot
View all reports →Affected Software
dovecot, debian linux, fedora, ubuntu linux
Vulnerable Versions:
0, 9.0, 10.0, 31, 32, 33, 14.04, 16.04, 18.04, 20.04
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.