Vulnerability   
Search   
    Search 324607 CVE descriptions
and 145615 test descriptions,
access 10,000+ cross references.
Tests   CVE   All  

Test ID:1.3.6.1.4.1.25623.1.0.108849
Category:Denial of Service
Title:Dovecot 2.2 < 2.3.11.3 Multiple DoS Vulnerabilities
Summary:Dovecot is prone to multiple denial of service (DoS); vulnerabilities.
Description:Summary:
Dovecot is prone to multiple denial of service (DoS)
vulnerabilities.

Vulnerability Insight:
Dovecot is prone to multiple vulnerabilities:

- The NTLM implementation does not correctly check message buffer size, which leads to reading past
allocation which can lead to crash. (CVE-2020-12673)

- The RPA mechanism implementation accepts zero-length message, which leads to assert-crash
later on. (CVE-2020-12674)

Affected Software/OS:
Dovecot versions 2.2 - 2.3.11.2.

Solution:
Update to version 2.3.11.3 or later.

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-12673
Debian Security Information: DSA-4745 (Google Search)
https://www.debian.org/security/2020/dsa-4745
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XKKAL3OMG76ZZ7CIEMQP2K6KCTD2RAKE/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4AAX2MJEULPVSRZOBX3PNPFSYP4FM4TT/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EYZU6CHA3VMYYAUCMHSCCQKJEVEIKPQ2/
https://security.gentoo.org/glsa/202009-02
https://dovecot.org/security
https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html
SuSE Security Announcement: openSUSE-SU-2020:1241 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html
SuSE Security Announcement: openSUSE-SU-2020:1262 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html
https://usn.ubuntu.com/4456-1/
https://usn.ubuntu.com/4456-2/
Common Vulnerability Exposure (CVE) ID: CVE-2020-12674
CopyrightCopyright (C) 2020 Greenbone AG

This is only one of 145615 vulnerability tests in our test suite. Find out more about running a complete security audit.

To run a free test of this vulnerability against your system, register below.




© 1998-2025 E-Soft Inc. All rights reserved.