High severity · published May 8, 2019
CVE-2019-11499
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…
7.5
CVSS
2.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.5% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DO
Dovecot · Dovecot
2.3.3 through 2.3.5.2 · source: NVD
FE
Fedora · Fedoraproject
29; 30 · source: NVD
LE
Leap · Opensuse
15.0; 15.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-11499
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-11499
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
Product
https://www.dovecot.org/download.html
Vendor Advisory
https://www.dovecot.org/security.html
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