Vulnerability Details CVE-2019-11779
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.071
EPSS Ranking 91.0%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 4.0
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00077.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00008.html
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=551160
- https://lists.debian.org/debian-lts-announce/2019/10/msg00035.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D4WMHIM64Q35NGTR6R3ILZUL4MA4ANB5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFWQBNFTAVHPUYNGYO2TCPF5PCSWC2Z7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWNVTFA2CKXERXRYPYE2YFTZP4GNBGYY/
- https://seclists.org/bugtraq/2019/Nov/25
- https://usn.ubuntu.com/4137-1/
- https://www.debian.org/security/2019/dsa-4570
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00077.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00008.html
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=551160
- https://lists.debian.org/debian-lts-announce/2019/10/msg00035.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D4WMHIM64Q35NGTR6R3ILZUL4MA4ANB5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFWQBNFTAVHPUYNGYO2TCPF5PCSWC2Z7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWNVTFA2CKXERXRYPYE2YFTZP4GNBGYY/
- https://seclists.org/bugtraq/2019/Nov/25
- https://usn.ubuntu.com/4137-1/
- https://www.debian.org/security/2019/dsa-4570
Products affected by CVE-2019-11779
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cpe:2.3:a:eclipse:mosquitto:1.5
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cpe:2.3:a:eclipse:mosquitto:1.5.1
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cpe:2.3:a:eclipse:mosquitto:1.5.2
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cpe:2.3:a:eclipse:mosquitto:1.5.3
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cpe:2.3:a:eclipse:mosquitto:1.5.4
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cpe:2.3:a:eclipse:mosquitto:1.5.5
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cpe:2.3:a:eclipse:mosquitto:1.5.6
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cpe:2.3:a:eclipse:mosquitto:1.5.7
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cpe:2.3:a:eclipse:mosquitto:1.5.8
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cpe:2.3:a:eclipse:mosquitto:1.6
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cpe:2.3:a:eclipse:mosquitto:1.6.1
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cpe:2.3:a:eclipse:mosquitto:1.6.2
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cpe:2.3:a:eclipse:mosquitto:1.6.3
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cpe:2.3:a:eclipse:mosquitto:1.6.4
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cpe:2.3:a:eclipse:mosquitto:1.6.5
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cpe:2.3:a:opensuse:backports_sle:15.0
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cpe:2.3:o:canonical:ubuntu_linux:19.04
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cpe:2.3:o:debian:debian_linux:10.0
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:fedoraproject:fedora:29
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cpe:2.3:o:fedoraproject:fedora:30
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cpe:2.3:o:fedoraproject:fedora:31
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cpe:2.3:o:opensuse:leap:15.1