National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-10691 Detail

Current Description

The JSON encoder in Dovecot before 2.3.5.2 allows attackers to repeatedly crash the authentication service by attempting to authenticate with an invalid UTF-8 sequence as the username.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.5 HIGH
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00000.html Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/04/18/3 Mailing List Third Party Advisory
https://dovecot.org/list/dovecot-news/2019-April/000406.html Mailing List Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
https://security.gentoo.org/glsa/201908-29

Weakness Enumeration

CWE-ID CWE Name Source
CWE-287 Improper Authentication NIST  

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/a:dovecot:dovecot
     Show Matching CPE(s)
Up to (excluding)
2.3.5.2

Configuration 2 ( hide )
 cpe:/o:opensuse:leap:15.0
     Show Matching CPE(s)


Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-10691
NVD Published Date:
04/24/2019
NVD Last Modified:
07/12/2019