Vulnerability · Published Jul 13, 2023 · Assigned by Zabbix
CVE-2023-29451Denial of service caused by a bug in the JSON parser
Medium 4.7
In plain English
A medium-severity improper input validation in Zabbix from Zabbix. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)0.8%top 43.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | zabbix | no fix listed | DEBIAN-CVE-2023-29451 |
| Debian:13 | zabbix | 1:6.0.23+dfsg-1 | DEBIAN-CVE-2023-29451 |
| Debian:14 | zabbix | 1:6.0.23+dfsg-1 | DEBIAN-CVE-2023-29451 |
Affected products (as reported)
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L