CVE-2019-11499

Description

In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login component crashes if AUTH PLAIN is attempted over a TLS secured channel with an unacceptable authentication message.

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 1.08% Top 25%

Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory dovecot.org

Affected: n/a n/a

References

Link	Tags
https://www.dovecot.org/security.html	vendor advisory
https://www.dovecot.org/download.html	product
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/	vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/	vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html	mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html	mailing list third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-11499?: CVE-2019-11499 has been scored as a high severity vulnerability.
How to fix CVE-2019-11499?: To fix CVE-2019-11499, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11499 being actively exploited in the wild?: It is possible that CVE-2019-11499 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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