CVE-2017-7651 — Memory Allocation with Excessive Size Value in Mosquitto
Severity
7.5HIGHNVD
EPSS
23.2%
top 4.04%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 24
Latest updateMay 13
Description
In Eclipse Mosquitto 1.4.14, a user can shutdown the Mosquitto server simply by filling the RAM memory with a lot of connections with large payload. This can be done without authentications if occur in connection phase of MQTT protocol.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6
Affected Packages3 packages
Also affects: Debian Linux 7.0, 8.0, 9.0
Patches
🔴Vulnerability Details
3📋Vendor Advisories
1Debian▶
CVE-2017-7651: mosquitto - In Eclipse Mosquitto 1.4.14, a user can shutdown the Mosquitto server simply by ...↗2017
💬Community
4Bugzilla▶
CVE-2017-7651 mosquitto: memory exhaustion through multiple crafted CONNECT packets [epel-7]↗2018-03-05
Bugzilla▶
CVE-2017-7651 mosquitto: memory exhaustion through multiple crafted CONNECT packets [fedora-all]↗2018-03-05
Bugzilla
▶
Bugzilla▶
CVE-2017-7652 mosquitto: configuration reload fails when no free sockets/file descriptors are available↗2018-03-05