CVE-2019-19722 Information

Description

In Dovecot before 2.3.9.2 an attacker can crash a push-notification driver with a crafted email when push notifications are used because of a NULL Pointer Dereference. The email must use a group address as either the sender or the recipient.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Reference

http://www.openwall.com/lists/oss-security/2019/12/13/3 https://dovecot.org/list/dovecot-news/2019-December/000428.html https://dovecot.org/pipermail/dovecot-news/2019-December/000428.html https://dovecot.org/security.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4OZCJ3RBA4WIYGN7SOV4TW2AIHXPZATK/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6PPB7PG5BM3MC5ZF2KHQ3UR7CZIO42BB/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

LOW

Base Severity

5.3