Wazuh up to 4.7.0 cJSON_GetObjectItem null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Wazuh up to 4.7.0. This vulnerability affects the function cJSON_GetObjectItem. Executing a manipulation can lead to null pointer dereference. This vulnerability is handled as CVE-2023-49275. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Wazuh up to 4.7.0 and classified as critical. This vulnerability affects the function cJSON_GetObjectItem. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:

Wazuh is a free and open source platform used for threat prevention, detection, and response. A NULL pointer dereference was detected during fuzzing of the analysis engine, allowing malicious clients to DoS the analysis engine. The bug occurs when `analysisd` receives a syscollector message with the `hotfix` `msg_type` but lacking a `timestamp`. It uses `cJSON_GetObjectItem()` to get the `timestamp` object item and dereferences it without checking for a `NULL` value. A malicious client can DoS the analysis engine. This vulnerability is fixed in 4.7.1.

The advisory is shared for download at github.com. This vulnerability was named CVE-2023-49275 since 11/24/2023. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available.

Upgrading to version 4.7.1 eliminates this vulnerability.

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Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Wazuh 4.7.1

Timelineinfo

11/24/2023 🔍
04/19/2024 +146 days 🔍
04/19/2024 +0 days 🔍
01/10/2025 +266 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-4mq7-w9r6-9975
Status: Confirmed

CVE: CVE-2023-49275 (🔍)
GCVE (CVE): GCVE-0-2023-49275
GCVE (VulDB): GCVE-100-261616

Entryinfo

Created: 04/19/2024 19:36
Updated: 01/10/2025 01:36
Changes: 04/19/2024 19:36 (64), 01/10/2025 01:36 (12)
Complete: 🔍
Cache ID: 216::103

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