CVE-2019-11779

medium

Description

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.

References

Advisories
More

https://www.debian.org/security/2019/dsa-4570

https://usn.ubuntu.com/4137-1/

https://seclists.org/bugtraq/2019/Nov/25

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.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D4WMHIM64Q35NGTR6R3ILZUL4MA4ANB5/

https://lists.debian.org/debian-lts-announce/2019/10/msg00035.html

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00008.html

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00077.html

https://bugs.eclipse.org/bugs/show_bug.cgi?id=551160

Details

Source: Mitre, NVD

Published: 2019-09-19

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H