NULL Data Pointer Causes Crash When Downloading Empty Document from HTTP Server
CVE-2024-42328

3.3LOW

Key Information:

Vendor

Zabbix

Status
Zabbix
Vendor
CVE Published:
27 November 2024

What is 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 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.

Affected Version(s)

Zabbix 7.0.0 <= 7.0.2

References

https://support.zabbix.com/browse/ZBX-25624

CVSS V3.1

Score:
3.3
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

Credit

Zabbix wants to thank zhutyra for submitting this report on the HackerOne bug bounty platform
.