Buffer overflow in Cyrus IMAP server

Published: 2019-06-09 20:34:03 | Updated: 2019-06-09
Severity Medium
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-11356
CVSSv3 7.7 [CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CWE ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software Cyrus IMAP Server
Vulnerable software versions Cyrus IMAP Server 3.0.9
Cyrus IMAP Server 3.0.8
Cyrus IMAP Server 3.0.7

Show more

Vendor URL Carnegie Mellon University

Security Advisory

1) Buffer overflow

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

Back to List