Vulnerability 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 Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cyrus | Imap | >= 2.5.0, <= 2.5.12 |
| Fedoraproject | Fedora | 29 |
| Debian | Debian Linux | 9.0 |
| Canonical | Ubuntu Linux | 18.04 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux Eus | 8.1 |
| Redhat | Enterprise Linux Server Aus | 8.2 |
| Redhat | Enterprise Linux Server Tus | 8.2 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2019:1771Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://seclists.org/bugtraq/2019/Jun/9Mailing ListThird Party Advisory
- https://usn.ubuntu.com/4566-1/Third Party Advisory
- https://www.cyrusimap.org/imap/download/release-notes/2.5/index.htmlRelease NotesVendor Advisory
- https://www.cyrusimap.org/imap/download/release-notes/2.5/x/2.5.13.htmlRelease NotesVendor Advisory
- https://www.cyrusimap.org/imap/download/release-notes/3.0/index.htmlRelease NotesVendor Advisory
- https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.10.htmlRelease NotesVendor Advisory
- https://www.debian.org/security/2019/dsa-4458Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1771Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://seclists.org/bugtraq/2019/Jun/9Mailing ListThird Party Advisory
- https://usn.ubuntu.com/4566-1/Third Party Advisory
FAQ
What is CVE-2019-11356?
CVE-2019-11356 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 iCale...
How severe is CVE-2019-11356?
CVE-2019-11356 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-11356?
Check the references section above for vendor advisories and patch information. Affected products include: Cyrus Imap, Fedoraproject Fedora, Debian Debian Linux, Canonical Ubuntu Linux, Redhat Enterprise Linux.