#VU18717 Buffer overflow in Cyrus IMAP Server - CVE-2019-11356
Published: June 9, 2019
Vulnerability identifier: #VU18717
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-11356
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cyrus IMAP Server
Cyrus IMAP Server
Software vendor:
Carnegie Mellon University
Carnegie Mellon University
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in a crafted HTTP PUT operation for an event with a long iCalendar property name. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
External links
- 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://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