CVE-2024-42332: zabbix Improper Encoding — Fix

Description

The researcher is showing that due to the way the SNMP trap log is parsed, an attacker can craft an SNMP trap with additional lines of information and have forged data show in the Zabbix UI. This attack requires SNMP auth to be off and/or the attacker to know the community/auth details. The attack requires an SNMP item to be configured as text on the target host.

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CVSS v3.1 Score

3.7

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness Type (CWE)

CWE-116 CWE-116

Affected Products

Vendor	Product	Versions
zabbix	zabbix	6.0.0 — 6.0.35
zabbix	zabbix	6.4.0 — 6.4.20
zabbix	zabbix	7.0.0 — 7.0.3

References

Advisories & Patches

https://support.zabbix.com/browse/ZBX-25628

Other References

https://lists.debian.org/debian-lts-announce/2024/12/msg00005.html

Frequently Asked Questions

What is CVE-2024-42332? +

The researcher is showing that due to the way the SNMP trap log is parsed, an attacker can craft an SNMP trap with additional lines of information and have forged data show in the Zabbix UI. This attack requires SNMP auth to be off and/or the attacker to know the community/auth details. The attack requires an SNMP item to be configured as text on the target host. It has a CVSS v3.1 base score of 3.7 (LOW).

How severe is CVE-2024-42332? +

CVE-2024-42332 has a CVSS v3.1 score of 3.7 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2024-42332? +

CVE-2024-42332 affects products from zabbix, specifically: zabbix. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-42332? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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