VulnerabilityModified
CVE-2019-11356
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.
CRITICAL 9.8EPSS 7.62%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.62%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 7.62% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- cyrus/imap · fedoraproject/fedora · debian/debian linux · canonical/ubuntu linux · redhat/enterprise linux · redhat/enterprise linux eus · redhat/enterprise linux server aus · redhat/enterprise linux server tus
- Source
- cve@mitre.org
References
- https://access.redhat.com/errata/RHSA-2019:1771Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IGO43JS7IFDNITHXOOHOP6JHRKRDIYY6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PICSZDC3UGEUZ27VXGGM6OFI67D3KKLZ/
- https://seclists.org/bugtraq/2019/Jun/9Mailing List, Third Party Advisory
- https://usn.ubuntu.com/4566-1/Third Party Advisory
- https://www.cyrusimap.org/imap/download/release-notes/2.5/index.htmlRelease Notes, Vendor Advisory
- https://www.cyrusimap.org/imap/download/release-notes/2.5/x/2.5.13.htmlRelease Notes, Vendor Advisory
- https://www.cyrusimap.org/imap/download/release-notes/3.0/index.htmlRelease Notes, Vendor Advisory
- https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.10.htmlRelease Notes, Vendor 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.fedoraproject.org/message/IGO43JS7IFDNITHXOOHOP6JHRKRDIYY6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PICSZDC3UGEUZ27VXGGM6OFI67D3KKLZ/
- https://seclists.org/bugtraq/2019/Jun/9Mailing List, Third Party Advisory
- https://usn.ubuntu.com/4566-1/Third Party Advisory
- https://www.cyrusimap.org/imap/download/release-notes/2.5/index.htmlRelease Notes, Vendor Advisory
- https://www.cyrusimap.org/imap/download/release-notes/2.5/x/2.5.13.htmlRelease Notes, Vendor Advisory
- https://www.cyrusimap.org/imap/download/release-notes/3.0/index.htmlRelease Notes, Vendor Advisory
- https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.10.htmlRelease Notes, Vendor Advisory
- https://www.debian.org/security/2019/dsa-4458Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.