Zabbix JSON Parser buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Zabbix. This affects an unknown function of the component JSON Parser. Executing a manipulation can lead to buffer overflow. This vulnerability is tracked as CVE-2023-29451. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in Zabbix (Network Management Software) (unknown version) and classified as critical. This vulnerability affects an unknown code block of the component JSON Parser. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Specially crafted string can cause a buffer overrun in the JSON parser library leading to a crash of the Zabbix Server or a Zabbix Proxy.

The weakness was disclosed 07/13/2023. The advisory is available at support.zabbix.com. This vulnerability was named CVE-2023-29451 since 04/06/2023. The technical details are unknown and an exploit is not available.

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

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Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 4.7
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 4.7
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: 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/06/2023 🔍
07/13/2023 +98 days 🔍
07/13/2023 +0 days 🔍
08/05/2023 +23 days 🔍

Sourcesinfo

Advisory: support.zabbix.com
Status: Confirmed

CVE: CVE-2023-29451 (🔍)
GCVE (CVE): GCVE-0-2023-29451
GCVE (VulDB): GCVE-100-234022

Entryinfo

Created: 07/13/2023 13:07
Updated: 08/05/2023 09:08
Changes: 07/13/2023 13:07 (47), 08/05/2023 09:08 (11)
Complete: 🔍
Cache ID: 216::103

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