Stack buffer overflow in Zabbix

1) Stack-based buffer overflow

EUVDB-ID: #VU101282

Risk: Medium

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-36468

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

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

CPE2.3

• cpe:2.3:a:zabbix:zabbix:7.0.2:*:*:*:*:*:*:*

External links

http://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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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