#VU101063 Out-of-bounds read in Zabbix - CVE-2024-42333

Vulnerability identifier: #VU101063

Vulnerability risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-42333

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

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

Vendor: Zabbix

Description

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

The vulnerability exists due to a boundary condition in src/libs/zbxmedia/email.c. A remote user can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Zabbix: 6.0.0 rc1 - 6.0.33, 6.2.0 rc1 - 6.2.9, 6.4.0 rc1 - 6.4.18, 7.0.0 alpha1 - 7.0.3

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External links
https://support.zabbix.com/browse/ZBX-25629

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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