title: Denial of service caused by a bug in the JSON parser
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.
problem types: CWE-20 Improper Input Validation
affected:
{
defaultStatus: affected
modules: [Server, Proxy]
product: Zabbix
repo: https://git.zabbix.com/
vendor: Zabbix
versions:
changes: [at: 6.0.15rc1, status: unaffected], lessThanOrEqual: 6.0.14, status: affected, version: 6.0, versionType: git
changes: [at: 6.2.9rc2, status: unaffected], lessThanOrEqual: 6.2.8, status: affected, version: 6.2, versionType: git
changes: [at: 6.4.1rc2, status: unaffected], lessThanOrEqual: 6.4.0, status: affected, version: 6.4, versionType: git
changes: [at: 7.0.0alpha1, status: unaffected], lessThanOrEqual: 7.0.0alpha1 , status: affected, version: 7.0.0alpha1, versionType: git
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 4.7
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: HIGH
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
version: 3.1
]
format: CVSS
scenarios: GENERAL