Vulnerability DatabaseCVE-2019-11779
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CVE-2019-11779
September 19, 2019
In Eclipse Mosquitto 1.5.0 to 1.6.5 inclusive, if a malicious MQTT client sends a SUBSCRIBE packet containing a topic that consists of approximately 65400 or more '/' characters, i.e. the topic hierarchy separator, then a stack overflow will occur.
Related Resources (16)
https://security-tracker.debian.org/tracker/CVE-2019-11779
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-11779
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWNVTFA2CKXERXRYPYE2YFTZP4GNBGYY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFWQBNFTAVHPUYNGYO2TCPF5PCSWC2Z7/
https://lists.debian.org/debian-lts-announce/2019/10/msg00035.html
https://bugs.eclipse.org/bugs/show_bug.cgi?id=551160
https://www.debian.org/security/2019/dsa-4570
https://usn.ubuntu.com/4137-1/
https://seclists.org/bugtraq/2019/Nov/25
https://security.alpinelinux.org/vuln/CVE-2019-11779
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JWNVTFA2CKXERXRYPYE2YFTZP4GNBGYY/
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00008.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HFWQBNFTAVHPUYNGYO2TCPF5PCSWC2Z7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D4WMHIM64Q35NGTR6R3ILZUL4MA4ANB5/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D4WMHIM64Q35NGTR6R3ILZUL4MA4ANB5/
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00077.html
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
CVSS v2
Base Score:
4
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Weakness Type (CWE)
Uncontrolled Recursion
CWE-674
Improper Check for Unusual or Exceptional Conditions
CWE-754
EPSS
Base Score:
6.79