#VU101282 Stack-based buffer overflow in Zabbix - CVE-2024-36468

Vulnerability identifier: #VU101282

Vulnerability risk: Medium

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-36468

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Zabbix
Server applications / Remote management servers, RDP, SSH

Vendor: Zabbix

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the zbx_snmp_cache_handle_engineid() function when copying data from session->securityEngineID to local_record.engineid. A remote attacker can pass specially crafted session engine identifier to the application, trigger a stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Zabbix: 7.0.0 alpha1 - 7.0.2

---

External links
https://support.zabbix.com/browse/ZBX-25621

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.