CVE-2024-42331— Use after free in browser_push_error
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I. Basic Information for CVE-2024-42331
Vulnerability Information
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Vulnerability Title
Use after free in browser_push_error
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the src/libs/zbxembed/browser.c file, the es_browser_ctor method retrieves a heap pointer from the Duktape JavaScript engine. This heap pointer is subsequently utilized by the browser_push_error method in the src/libs/zbxembed/browser_error.c file. A use-after-free bug can occur at this stage if the wd->browser heap pointer is freed by garbage collection.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Zabbix 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zabbix是Zabbix公司的一套开源的监控系统。该系统支持网络监控、服务器监控、云监控和应用监控等。 Zabbix存在资源管理错误漏洞，该漏洞源于存在释放后重用漏洞，源于wd->browser堆指针被垃圾回收，从而容易受到释放后重用攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2024-42331
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Zabbix · 2024-11-27 · 11 CVEs total
| CVE-2024-42327 | 9.9 CRITICAL | SQL injection in user.get API |
| CVE-2024-42330 | 9.1 CRITICAL | JS - Internal strings in HTTP headers |
| CVE-2024-36467 | 7.5 HIGH | Authentication privilege escalation via user groups due to missing authorization checks |
| CVE-2024-42326 | 4.4 MEDIUM | Use after free vulnerability in browser.c |
| CVE-2024-42332 | 3.7 LOW | New line injection in Zabbix SNMP traps |
| CVE-2024-42328 | 3.3 LOW | JS - Crash on empty HTTP server response |
| CVE-2024-42329 | 3.3 LOW | JS - Crash on unexpected HTTP server response |
| CVE-2024-36468 | 3.0 LOW | Stack buffer overflow in zbx_snmp_cache_handle_engineid |
| CVE-2024-36464 | 2.7 LOW | Media Types: Office365, SMTP passwords are unencrypted and visible in plaintext when expor |
| CVE-2024-42333 | 2.7 LOW | Heap buffer over-read |
IV. Related Vulnerabilities
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Agent 2 Docker plugin arbitrary file read via Docker API inj - CVE-2026-23923
Unauthenticated arbitrary PHP class instantiation
Same vendor: Zabbix
- CVE-2026-23928
Stored XSS vulnerability in the Item history/Plain text widg - CVE-2026-23927
Agent 2 Oracle plugin TNS connection string injection via th - CVE-2026-23926
Stored XSS vulnerability in Host navigator widget maintenanc - CVE-2026-23924
Agent 2 Docker plugin arbitrary file read via Docker API inj - CVE-2026-23923
Unauthenticated arbitrary PHP class instantiation
V. Comments for CVE-2024-42331
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