CVE-2021-34431

Name
CVE-2021-34431
Description
In Eclipse Mosquitto version 1.6 to 2.0.10, if an authenticated client that had connected with MQTT v5 sent a crafted CONNECT message to the broker a memory leak would occur, which could be used to provide a DoS attack against the broker.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
CONFIRM https://bugs.eclipse.org/bugs/show_bug.cgi?id=573191

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:* mosquitto >= 1.6 <= 2.0.10

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
mosquitto edge-main 2.0.10-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
mosquitto edge-main 2.0.8-r0 None possibly vulnerable
mosquitto edge-main 1.6.7-r0 None possibly vulnerable
mosquitto 3.22-main 2.0.10-r0 None possibly vulnerable
mosquitto 3.22-main 2.0.8-r0 None possibly vulnerable
mosquitto 3.22-main 1.6.7-r0 None possibly vulnerable
mosquitto 3.21-main 2.0.10-r0 None possibly vulnerable
mosquitto 3.21-main 2.0.8-r0 None possibly vulnerable
mosquitto 3.21-main 1.6.7-r0 None possibly vulnerable
mosquitto 3.20-main 2.0.10-r0 None possibly vulnerable
mosquitto 3.20-main 2.0.8-r0 None possibly vulnerable
mosquitto 3.20-main 1.6.7-r0 None possibly vulnerable
mosquitto 3.19-main 2.0.10-r0 None possibly vulnerable
mosquitto 3.19-main 2.0.8-r0 None possibly vulnerable
mosquitto 3.19-main 1.6.7-r0 None possibly vulnerable
mosquitto 3.12-main 1.6.9-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
mosquitto 3.11-main 1.6.8-r1 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable