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CVE-2024-42333— Heap buffer over-read

Quick assessment

Affected
Zabbix Zabbix
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 6.0.0至6.0.33版本、6.4.0至6.4.18版本和7.0.0至7.0.3版本存在安全漏洞，该漏洞源于src/libs/zbxmedia/email.c中存在越界读取漏洞，导致会泄漏少量Zabbix Server内存。

CVSS 2.7 · Low EPSS 0.63% · P49

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2024-42333

Vulnerability Information
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Vulnerability Title
Heap buffer over-read
Source: CVE Program / CVE List V5
Vulnerability Description
The researcher is showing that it is possible to leak a small amount of Zabbix Server memory using an out of bounds read in src/libs/zbxmedia/email.c
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区上溢读取
Source: CVE Program / CVE List V5
Vulnerability Title
Zabbix 安全漏洞
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 6.0.0至6.0.33版本、6.4.0至6.4.18版本和7.0.0至7.0.3版本存在安全漏洞，该漏洞源于src/libs/zbxmedia/email.c中存在越界读取漏洞，导致会泄漏少量Zabbix Server内存。
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

Vendor Product Affected Versions CPE Subscribe
Zabbix Zabbix 6.0.0 ~ 6.0.33 -

II. Public POCs for CVE-2024-42333

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III. Intelligence Information for CVE-2024-42333

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Vendor Advisories for CVE-2024-42333 (1)

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-2024-42331 3.3 LOW Use after free in browser_push_error
CVE-2024-42329 3.3 LOW JS - Crash on unexpected HTTP server response
CVE-2024-42328 3.3 LOW JS - Crash on empty 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

IV. Related Vulnerabilities

Same product: Zabbix
Same vendor: Zabbix
Same weakness: CWE-126

V. Comments for CVE-2024-42333

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