Vulnerability Name:

CVE-2019-11356 (CCN-162147)

Assigned:2019-04-16
Published:2019-04-16
Updated:2022-05-03
Summary: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 v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
5.6 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)
4.9 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-787
CWE-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-11356

Source: REDHAT
Type: Third Party Advisory
RHSA-2019:1771

Source: XF
Type: UNKNOWN
cyrus-imap-cve201911356-code-exec(162147)

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2019-309f559057

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2019-f0435555ac

Source: BUGTRAQ
Type: Mailing List, Third Party Advisory
20190609 [SECURITY] [DSA 4458-1] cyrus-imapd security update

Source: UBUNTU
Type: Third Party Advisory
USN-4566-1

Source: CCN
Type: Cyrus IMAP Web site
Cyrus IMAP 2.5 Releases

Source: MISC
Type: Release Notes, Vendor Advisory
https://www.cyrusimap.org/imap/download/release-notes/2.5/index.html

Source: MISC
Type: Release Notes, Vendor Advisory
https://www.cyrusimap.org/imap/download/release-notes/2.5/x/2.5.13.html

Source: MISC
Type: Release Notes, Vendor Advisory
https://www.cyrusimap.org/imap/download/release-notes/3.0/index.html

Source: MISC
Type: Release Notes, Vendor Advisory
https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.10.html

Source: DEBIAN
Type: Third Party Advisory
DSA-4458

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cyrus:imap:*:*:*:*:*:*:*:* (Version >= 2.5.0 and <= 2.5.12)
  • OR cpe:/a:cyrus:imap:*:*:*:*:*:*:*:* (Version >= 3.0.0 and <= 3.0.9)

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:29:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:30:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

    • Configuration 5:
  • cpe:/o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:cyrus:imap:2.5.12:*:*:*:*:*:*:*
  • OR cpe:/a:cyrus:imap:3.0.9:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.redhat.rhsa:def:20191771
    P
    		RHSA-2019:1771: cyrus-imapd security update (Important)
    2019-07-15
    oval:com.ubuntu.cosmic:def:2019113560000000
    V
    		CVE-2019-11356 on Ubuntu 18.10 (cosmic) - medium.
    2019-06-03
    oval:com.ubuntu.bionic:def:2019113560000000
    V
    		CVE-2019-11356 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-06-03
    oval:com.ubuntu.disco:def:2019113560000000
    V
    		CVE-2019-11356 on Ubuntu 19.04 (disco) - medium.
    2019-06-03
    BACK
    cyrus imap *
    cyrus imap *
    fedoraproject fedora 29
    fedoraproject fedora 30
    debian debian linux 9.0
    canonical ubuntu linux 18.04
    redhat enterprise linux 8.0
    redhat enterprise linux eus 8.1
    redhat enterprise linux eus 8.2
    redhat enterprise linux eus 8.4
    redhat enterprise linux server aus 8.2
    redhat enterprise linux server aus 8.4
    redhat enterprise linux server tus 8.2
    redhat enterprise linux server tus 8.4
    cyrus imap 2.5.12
    cyrus imap 3.0.9