High severity · published Jul 13, 2023
CVE-2023-29451
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
7.5
CVSS
0.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZA
Zabbix · Zabbix
through 6.0.14; 6.4.2 through 6.4.4; 6.4.0; 6.4.0; 6.4.0; 6.4.0; +6 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-29451
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-29451
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/08/msg00027.html
Vendor Advisory
https://support.zabbix.com/browse/ZBX-22587
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