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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Current Description
A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart.
A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.
References to Advisories, Solutions, and Tools
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OR
*cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* versions up to (excluding) 2.2.34
Added
CPE Configuration
OR
*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
*cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
Added
CPE Configuration
OR
*cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Added
CVSS V2
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Added
CVSS V3
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Added
CWE
CWE-399
Changed
Reference Type
http://seclists.org/oss-sec/2018/q1/205 No Types Assigned
http://seclists.org/oss-sec/2018/q1/205 Mailing List, Third Party Advisory
Changed
Reference Type
https://bugzilla.redhat.com/show_bug.cgi?id=1532356 No Types Assigned
https://bugzilla.redhat.com/show_bug.cgi?id=1532356 Issue Tracking, Third Party Advisory
Changed
Reference Type
https://usn.ubuntu.com/3587-1/ No Types Assigned
https://usn.ubuntu.com/3587-1/ Third Party Advisory
Changed
Reference Type
https://www.debian.org/security/2018/dsa-4130 No Types Assigned
https://www.debian.org/security/2018/dsa-4130 Third Party Advisory
Changed
Reference Type
https://www.dovecot.org/list/dovecot-news/2018-February/000370.html No Types Assigned
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