Out-of-bounds read in Zabbix Agent - CVE-2023-32726
Published: January 8, 2024
Vulnerability identifier: #VU85066
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-32726
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when handling DNS server responses. A remote attacker can send a specially crafted DNS response to the application and perform a denial of service (DoS) attack.
Affected software
Zabbix Agent
Fedora
zabbix6.0
zabbix
Fedora
zabbix6.0
zabbix
How to mitigate CVE-2023-32726
Install updates from vendor's website.
Zabbix Agent - addressed in versions 5.0.40, 6.0.24, 6.4.9
zabbix6.0 - update to 6.0.25-1.el8
zabbix - addressed in versions 6.0.25-1.el9, 6.0.25-1.fc38, 6.0.25-1.fc39
zabbix6.0 - update to 6.0.25-1.el8
zabbix - addressed in versions 6.0.25-1.el9, 6.0.25-1.fc38, 6.0.25-1.fc39