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CVE-2019-11356

Published: 3 June 2019

The CalDAV feature in httpd in Cyrus IMAP 2.5.x through 2.5.12 and 3.0.x through 3.0.9 allows remote attackers to execute arbitrary code via a crafted HTTP PUT operation for an event with a long iCalendar property name.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
cyrus-imapd
Launchpad, Ubuntu, Debian
bionic
Released (2.5.10-3ubuntu1.1)
cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan
Released (3.0.8-6)
focal
Released (3.0.8-6)
groovy
Released (3.0.8-6)
trusty Does not exist

upstream
Released (3.0.8-6)
xenial Does not exist

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H