CVE-2019-11494 : In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login servic

In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login service crashes when the client disconnects prematurely during the AUTH command.

Published 2019-05-08 18:29:01

Updated 2023-03-01 15:15:27

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2019-11494

Dovecot » Dovecot
Versions from including (>=) 2.3.3 and up to, including, (<=) 2.3.5.2
cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 29
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 30
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
Matching versions
Opensuse » Leap » Version: 15.0
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
Matching versions
Opensuse » Leap » Version: 15.1
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2019-11494

EPSS FAQ

2.12%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 89 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-11494

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	MITRE
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2019-11494

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-11494

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html

[security-announce] openSUSE-SU-2019:2278-1: important: Security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/

[SECURITY] Fedora 29 Update: dovecot-2.3.6-3.fc29 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html

[security-announce] openSUSE-SU-2019:2281-1: important: Security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://www.dovecot.org/download.html

Download
Product

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/

[SECURITY] Fedora 30 Update: dovecot-2.3.6-3.fc30 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory

CVEs referencing this url
https://www.dovecot.org/security.html

Security
Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2019-11494

Products affected by CVE-2019-11494

Exploit prediction scoring system (EPSS) score for CVE-2019-11494

CVSS scores for CVE-2019-11494

CWE ids for CVE-2019-11494

References for CVE-2019-11494