Out-of-bounds read in Eclipse Mosquitto - CVE-2024-10525

Vulnerability identifier: #VU99569

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-10525

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when handling SUBACK packets with no reason codes. A remote attacker can send specially crafted SUBACK packets to the application, trigger an out-of-bounds read error and read contents of memory on the system.

Eclipse Mosquitto
Fedora
Ubuntu
openEuler
python-mosquitto (Ubuntu package)
libmosquittopp0 (Ubuntu package)
libmosquitto0 (Ubuntu package)
mosquitto-clients (Ubuntu package)
mosquitto (Ubuntu package)
libmosquittopp1 (Ubuntu package)
libmosquitto1 (Ubuntu package)
mosquitto-debuginfo
mosquitto-devel
mosquitto-debugsource
mosquitto

Install updates from vendor's website.

Eclipse Mosquitto - update to 2.0.19
python-mosquitto (Ubuntu package) - update to Ubuntu Pro
libmosquittopp0 (Ubuntu package) - update to Ubuntu Pro
libmosquitto0 (Ubuntu package) - update to Ubuntu Pro
mosquitto-clients (Ubuntu package) - addressed in versions Ubuntu Pro, 2.0.11-1ubuntu1.2
mosquitto (Ubuntu package) - addressed in versions Ubuntu Pro, 2.0.11-1ubuntu1.2
libmosquittopp1 (Ubuntu package) - addressed in versions Ubuntu Pro, 2.0.11-1ubuntu1.2
libmosquitto1 (Ubuntu package) - addressed in versions Ubuntu Pro, 2.0.11-1ubuntu1.2
mosquitto-debuginfo - update to 2.0.20-1
mosquitto-devel - update to 2.0.20-1
mosquitto-debugsource - update to 2.0.20-1
mosquitto - update to 2.0.20-1
mosquitto - addressed in versions 2.0.22-1.el9, 2.0.22-1.el10_1

• https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/190
• https://mosquitto.org/blog/2024/10/version-2-0-19-released/
• https://github.com/eclipse-mosquitto/mosquitto/commit/8ab20b4ba4204fdcdec78cb4d9f03c944a6e0e1c

• Multiple vulnerabilities in Eclipse Mosquitto
• openEuler 22.03 LTS SP4 update for mosquitto
• openEuler 24.03 LTS update for mosquitto
• openEuler 22.03 LTS SP1 update for mosquitto
• openEuler 22.03 LTS SP3 update for mosquitto
• Ubuntu update for mosquitto
• Fedora EPEL 10.1 update for mosquitto
• Fedora EPEL 9 update for mosquitto