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Test ID:1.3.6.1.4.1.25623.1.0.113379
Category:Denial of Service
Title:Dovecot < 2.3.5.2 Denial of Service Vulnerability
Summary:Dovecot is prone to a Denial of Service (DoS) vulnerability.
Description:Summary:
Dovecot is prone to a Denial of Service (DoS) vulnerability.

Vulnerability Insight:
The JSON encoder allows attackers to repeatedly crash the authentication
service by attempting to authenticate with an invalid UTF-8 sequence as the username.

Affected Software/OS:
Dovecot version 2.3.0 through 2.3.5.1.

Solution:
Update to version 2.3.5.2.

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-2019-10691
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
https://security.gentoo.org/glsa/201908-29
https://dovecot.org/list/dovecot-news/2019-April/000406.html
http://www.openwall.com/lists/oss-security/2019/04/18/3
SuSE Security Announcement: openSUSE-SU-2019:1312 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00000.html
CopyrightCopyright (C) 2019 Greenbone Networks GmbH

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