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FreeBSD: VID-3F98CCB3-6B8A-11E9-9B5C-A4BADB296695 (CVE-2019-11494): Dovecot -- Multiple vulnerabilities

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FreeBSD: VID-3F98CCB3-6B8A-11E9-9B5C-A4BADB296695 (CVE-2019-11494): Dovecot -- Multiple vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
03/11/2019
Created
05/03/2019
Added
05/01/2019
Modified
06/03/2019

Description

Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.

From VID-3F98CCB3-6B8A-11E9-9B5C-A4BADB296695:

Aki Tuomi reports:

Submission-login crashes with signal 11 due to null pointer access when authentication is aborted by disconnecting. This can lead to denial-of-service attack by persistent attacker(s).

Aki Tuomi reports:

Submission-login crashes when authentication is started over TLS secured channel and invalid authentication message is sent. This can lead to denial-of-service attack by persistent attacker(s).

Solution(s)

  • freebsd-upgrade-package-dovecot

References

  • CVE-2019-11494
  • USN-3961-1

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