CVE-2023-29451: Denial of service caused by a bug in the JSON parser
First published: Thu Jul 13 2023(Updated: )
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.
Credit: security@zabbix.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Zabbix Server | <=6.0.14 | |
| Zabbix Server | >=6.4.2<=6.4.4 | |
| Zabbix Server | =6.4.0-alpha1 | |
| Zabbix Server | =6.4.0-beta1 | |
| Zabbix Server | =6.4.0-beta2 | |
| Zabbix Server | =6.4.0-beta3 | |
| Zabbix Server | =6.4.0-beta4 | |
| Zabbix Server | =6.4.0-beta5 | |
| Zabbix Server | =6.4.0-beta6 | |
| Zabbix Server | =6.4.0-rc2 | |
| Zabbix Server | =6.4.0-rc3 | |
| Zabbix Server | =6.4.0-rc4 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID is CVE-2023-29451.
What is the severity of CVE-2023-29451?
The severity of CVE-2023-29451 is high with a CVSS score of 7.5.
Which software is affected by CVE-2023-29451?
The Zabbix Server and Zabbix Proxy versions 6.0.14 to 6.4.4 are affected by CVE-2023-29451.
How does CVE-2023-29451 impact the system?
CVE-2023-29451 can cause a buffer overrun in the JSON parser library, leading to a crash of the Zabbix Server or a Zabbix Proxy.
How can I fix CVE-2023-29451?
To fix CVE-2023-29451, update to a patched version of Zabbix Server or Zabbix Proxy.
- collector/nvd-latest
- agent/references
- agent/type
- agent/weakness
- agent/severity
- agent/title
- agent/description
- agent/first-publish-date
- agent/event
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/source
- agent/author
- agent/tags
- agent/softwarecombine
- collector/nvd-api
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/zabbix
- canonical/zabbix server
- version/zabbix server/6.0.14
- version/zabbix server/6.4.2
- version/zabbix server/6.4.4
- version/zabbix server/6.4.0-alpha1
- version/zabbix server/6.4.0-beta1
- version/zabbix server/6.4.0-beta2
- version/zabbix server/6.4.0-beta3
- version/zabbix server/6.4.0-beta4
- version/zabbix server/6.4.0-beta5
- version/zabbix server/6.4.0-beta6
- version/zabbix server/6.4.0-rc2
- version/zabbix server/6.4.0-rc3
- version/zabbix server/6.4.0-rc4