Detections
Analytics

CVE-2019-10691

high

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.

References

https://security.gentoo.org/glsa/201908-29

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/

http://www.openwall.com/lists/oss-security/2019/04/18/3

http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00000.html

https://dovecot.org/list/dovecot-news/2019-April/000406.html

Details

Source: Mitre, NVD

Published: 2019-04-24

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00815