CVE-2019-11356 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://access.redhat.com/errata/RHSA-2019:1771 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IGO43JS7IFDNITHXOOHOP6JHRKRDIYY6/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PICSZDC3UGEUZ27VXGGM6OFI67D3KKLZ/ https://seclists.org/bugtraq/2019/Jun/9 https://usn.ubuntu.com/4566-1/ https://www.cyrusimap.org/imap/download/release-notes/2.5/index.html https://www.cyrusimap.org/imap/download/release-notes/2.5/x/2.5.13.html https://www.cyrusimap.org/imap/download/release-notes/3.0/index.html https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.10.html https://www.debian.org/security/2019/dsa-4458

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8