Vulnerability Monitor

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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. The email must use a group address as either the sender or the recipient.

Published

2019-12-13T17:15:13.333

Last Modified

2024-11-21T04:35:15.320

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	dovecot	dovecot	< 2.3.9.2	Yes
Operating System	fedoraproject	fedora	30	Yes
Operating System	fedoraproject	fedora	31	Yes

References

http://www.openwall.com/lists/oss-security/2019/12/13/3 Mailing List, Third Party Advisory ([email protected])
https://dovecot.org/list/dovecot-news/2019-December/000428.html Vendor Advisory ([email protected])
https://dovecot.org/pipermail/dovecot-news/2019-December/000428.html Vendor Advisory ([email protected])
https://dovecot.org/security.html Vendor Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OZCJ3RBA4WIYGN7SOV4TW2AIHXPZATK/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6PPB7PG5BM3MC5ZF2KHQ3UR7CZIO42BB/ ([email protected])
http://www.openwall.com/lists/oss-security/2019/12/13/3 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://dovecot.org/list/dovecot-news/2019-December/000428.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://dovecot.org/pipermail/dovecot-news/2019-December/000428.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://dovecot.org/security.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OZCJ3RBA4WIYGN7SOV4TW2AIHXPZATK/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6PPB7PG5BM3MC5ZF2KHQ3UR7CZIO42BB/ (af854a3a-2127-422b-91ae-364da2661108)