CVE-2024-42328 — NULL Pointer Dereference in Zabbix

CWE-476 — NULL Pointer DereferenceCWE-690 — Unchecked Return Value to NULL Pointer Dereference4 documents4 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 79.21%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
ZabbixDebian Zabbix
Timeline
PublishedNov 27

Description

When the webdriver for the Browser object downloads data from a HTTP server, the data pointer is set to NULL and is allocated only in curl_write_cb when receiving data. If the server's response is an empty document, then wd->data in the code below will remain NULL and an attempt to read from it will result in a crash.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶NVDzabbix/zabbix7.0.0 — 7.0.4
▶debiandebian/zabbix< zabbix 1:7.0.5+dfsg-1 (forky)
▶Debianzabbix/zabbix< 1:7.0.5+dfsg-1+1
▶CVEListV5zabbix/zabbix7.0.0 — 7.0.2

🔴Vulnerability Details

2
OSV
CVE-2024-42328: When the webdriver for the Browser object downloads data from a HTTP server, the data pointer is set to NULL and is allocated only in curl_write_cb wh↗2024-11-27
▶
GHSA
GHSA-3m8p-v336-pmqp: When the webdriver for the Browser object downloads data from a HTTP server, the data pointer is set to NULL and is allocated only in curl_write_cb wh↗2024-11-27
▶

📋Vendor Advisories

1
Debian
CVE-2024-42328: zabbix - When the webdriver for the Browser object downloads data from a HTTP server, the...↗2024
▶