Zabbix zbxjson zbx_json_open buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Zabbix. This issue affects the function zbx_json_open of the component zbxjson. The manipulation leads to buffer overflow. This vulnerability is referenced as CVE-2023-32722. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Zabbix (Network Management Software) (the affected version is unknown) and classified as critical. This issue affects the function zbx_json_open of the component zbxjson. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The zabbix/src/libs/zbxjson module is vulnerable to a buffer overflow when parsing JSON files via zbx_json_open.

The weakness was published 10/12/2023. It is possible to read the advisory at support.zabbix.com. The identification of this vulnerability is CVE-2023-32722 since 05/11/2023. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/04/2024).

The vulnerability scanner Nessus provides a plugin with the ID 208100 (Debian dla-3909 : zabbix-agent - security update), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (208100). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 9.6
CNA Vector (Zabbix): 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 208100
Nessus Name: Debian dla-3909 : zabbix-agent - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/11/2023 🔍
10/12/2023 +154 days 🔍
10/12/2023 +0 days 🔍
04/21/2025 +557 days 🔍

Sourcesinfo

Advisory: support.zabbix.com
Status: Confirmed

CVE: CVE-2023-32722 (🔍)
GCVE (CVE): GCVE-0-2023-32722
GCVE (VulDB): GCVE-100-242015

Entryinfo

Created: 10/12/2023 10:22
Updated: 04/21/2025 13:58
Changes: 10/12/2023 10:22 (48), 10/31/2023 14:07 (9), 10/04/2024 15:51 (17), 04/21/2025 13:58 (3)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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