Zabbix up to 7.0.3 Duktape JavaScript Engine browser.c es_browser_ctor use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Zabbix up to 7.0.3. Affected by this vulnerability is the function es_browser_ctor in the library src/libs/zbxembed/browser.c of the component Duktape JavaScript Engine. The manipulation leads to use after free. This vulnerability is listed as CVE-2024-42331. The attack must be carried out locally. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Zabbix up to 7.0.3. It has been rated as problematic. This issue affects the function es_browser_ctor in the library src/libs/zbxembed/browser.c of the component Duktape JavaScript Engine. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is availability. The summary by CVE is:

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.

The advisory is shared at support.zabbix.com. The identification of this vulnerability is CVE-2024-42331 since 07/30/2024. The exploitation is known to be easy. An attack has to be approached locally. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 212155 (Debian dla-3984 : zabbix-agent - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (212155). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 3.3
CNA Vector (Zabbix): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 212155
Nessus Name: Debian dla-3984 : zabbix-agent - security update

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/30/2024 🔍
11/27/2024 +120 days 🔍
11/27/2024 +0 days 🔍
10/08/2025 +315 days 🔍

Sourcesinfo

Advisory: support.zabbix.com
Status: Confirmed

CVE: CVE-2024-42331 (🔍)
GCVE (CVE): GCVE-0-2024-42331
GCVE (VulDB): GCVE-100-286253

Entryinfo

Created: 11/27/2024 15:18
Updated: 10/08/2025 19:02
Changes: 11/27/2024 15:18 (64), 12/07/2024 23:57 (2), 10/08/2025 19:02 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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