VulnerabilityModified

CVE-2019-19722

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.

MEDIUM 5.3EPSS 2.48%

Does this matter?

Lower severity and a low EPSS score (2.48%). Track it; it rarely justifies an emergency change on its own.

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 3.1: 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS: 2.48% probability · 84th percentile
CISA KEV: Not listed
Weakness: CWE-476
Affected: dovecot/dovecot · fedoraproject/fedora
Source: cve@mitre.org

References

http://www.openwall.com/lists/oss-security/2019/12/13/3Mailing List, Third Party Advisory
https://dovecot.org/list/dovecot-news/2019-December/000428.htmlVendor Advisory
https://dovecot.org/pipermail/dovecot-news/2019-December/000428.htmlVendor Advisory
https://dovecot.org/security.htmlVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OZCJ3RBA4WIYGN7SOV4TW2AIHXPZATK/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6PPB7PG5BM3MC5ZF2KHQ3UR7CZIO42BB/
http://www.openwall.com/lists/oss-security/2019/12/13/3Mailing List, Third Party Advisory
https://dovecot.org/list/dovecot-news/2019-December/000428.htmlVendor Advisory
https://dovecot.org/pipermail/dovecot-news/2019-December/000428.htmlVendor Advisory
https://dovecot.org/security.htmlVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OZCJ3RBA4WIYGN7SOV4TW2AIHXPZATK/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6PPB7PG5BM3MC5ZF2KHQ3UR7CZIO42BB/

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.