CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
4Description
An authenticated Zabbix user (including Guest) is able to cause disproportionate CPU load on the webserver by sending specially crafted parameters to /imgstore.php, leading to potential denial of service.
Analysis
An authenticated Zabbix user (including Guest) is able to cause disproportionate CPU load on the webserver by sending specially crafted parameters to /imgstore.php, leading to potential denial of service.
Technical Context
A denial of service vulnerability allows an attacker to disrupt the normal functioning of a system, making it unavailable to legitimate users.
Affected Products
Affected products: Zabbix Frontend
Remediation
Implement rate limiting and input validation. Use timeout mechanisms for resource-intensive operations. Deploy DDoS protection where applicable.
Priority Score
Vendor Status
Ubuntu
Priority: Medium| Release | Status | Version |
|---|---|---|
| trusty | needs-triage | - |
| xenial | needs-triage | - |
| bionic | needs-triage | - |
| focal | needs-triage | - |
| jammy | needs-triage | - |
| noble | DNE | - |
| questing | needs-triage | - |
| upstream | needs-triage | - |
| plucky | ignored | end of life, was needs-triage |
Debian
Bug #1121841| Release | Status | Fixed Version | Urgency |
|---|---|---|---|
| bullseye | vulnerable | 1:5.0.8+dfsg-1 | - |
| bullseye (security) | vulnerable | 1:5.0.47+dfsg-0+deb11u1 | - |
| bookworm | vulnerable | 1:6.0.14+dfsg-1 | - |
| trixie | fixed | 1:7.0.22+dfsg-1~deb13u1 | - |
| forky, sid | fixed | 1:7.0.22+dfsg-1 | - |
| (unstable) | fixed | 1:7.0.22+dfsg-1 | - |
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External POC / Exploit Code
Leaving vuln.today
EUVD-2025-199985