Summary
Ein Angreifer kann mehrere Schwachstellen in Zabbix ausnutzen, um vertrauliche Informationen preiszugeben, einen Denial-of-Service-Zustand zu erzeugen, erhöhte Rechte zu erlangen, beliebigen Code auszuführen und Daten zu manipulieren.
Product
Zabbix ist ein Open-Source Netzwerk-Monitoringsystem.
Vulnerabilities 11
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Critical 9.9
SQL injection in user.get API
A non-admin user account on the Zabbix frontend with the default User role, or with any other role that gives API access can exploit this vulnerability. An SQLi exists in the CUser class in the addRelatedObjects function, this function is being called from th…
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Critical 9.1
JS - Internal strings in HTTP headers
The HttpRequest object allows to get the HTTP headers from the server's response after sending the request. The problem is that the returned strings are created directly from the data returned by the server and are not correctly encoded for JavaScript. This a…
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High 8.8
Unauthenticated Zabbix frontend takeover when SSO is being used
A bug in the code allows an attacker to sign a forged zbx_session cookie, which then allows them to sign in with admin permissions.
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Medium 4.4
Use after free vulnerability in browser.c
There was discovered a use after free bug in browser.c in the es_browser_get_variant function
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Low 3.7
New line injection in Zabbix SNMP traps
The researcher is showing that due to the way the SNMP trap log is parsed, an attacker can craft an SNMP trap with additional lines of information and have forged data show in the Zabbix UI. This attack requires SNMP auth to be off and/or the attacker to know…
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Low 3.3
JS - Crash on empty HTTP server response
When the webdriver for the Browser object downloads data from a HTTP server, the data pointer is set to NULL and is allocated only in curl_write_cb when receiving data. If the server's response is an empty document, then wd->data in the code below will remain…
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Low 3.3
JS - Crash on unexpected HTTP server response
The webdriver for the Browser object expects an error object to be initialized when the webdriver_session_query function fails. But this function can fail for various reasons without an error description and then the wd->error will be NULL and trying to read …
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Low 3.3
Use after free in browser_push_error
In the src/libs/zbxembed/browser.c file, the es_browser_ctor method retrieves a heap pointer from the Duktape JavaScript engine. This heap pointer is subsequently utilized by the browser_push_error method in the src/libs/zbxembed/browser_error.c file. A use-a…
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Low 3.0
Stack buffer overflow in zbx_snmp_cache_handle_engineid
The reported vulnerability is a stack buffer overflow in the zbx_snmp_cache_handle_engineid function within the Zabbix server/proxy code. This issue occurs when copying data from session->securityEngineID to local_record.engineid without proper bounds checkin…
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Low 2.7
Media Types: Office365, SMTP passwords are unencrypted and visible in plaintext when exported
When exporting media types, the password is exported in the YAML in plain text. This appears to be a best practices type issue and may have no actual impact. The user would need to have permissions to access the media types and therefore would be expected to …
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Low 2.7
Heap buffer over-read
The researcher is showing that it is possible to leak a small amount of Zabbix Server memory using an out of bounds read in src/libs/zbxmedia/email.c
Revision history
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#5
Neue Updates von SUSE aufgenommen
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#4
Neue Updates von Debian aufgenommen
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#3
PoC aufgenommen
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#2
Neue Updates von Fedora aufgenommen
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#1
Initiale Fassung
References
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Zabbix bugs and issues vom 2024-11-27
https://support.zabbix.com/browse/ZBX-25621
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Zabbix bugs and issues vom 2024-11-27
https://support.zabbix.com/browse/ZBX-25622
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Zabbix bugs and issues vom 2024-11-27
https://support.zabbix.com/browse/ZBX-25623
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Zabbix bugs and issues vom 2024-11-27
https://support.zabbix.com/browse/ZBX-25624
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Zabbix bugs and issues vom 2024-11-27
https://support.zabbix.com/browse/ZBX-25625
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Zabbix bugs and issues vom 2024-11-27
https://support.zabbix.com/browse/ZBX-25626
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Zabbix bugs and issues vom 2024-11-27
https://support.zabbix.com/browse/ZBX-25627
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Zabbix bugs and issues vom 2024-11-27
https://support.zabbix.com/browse/ZBX-25628
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Zabbix bugs and issues vom 2024-11-27
https://support.zabbix.com/browse/ZBX-25629
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Zabbix bugs and issues vom 2024-11-27
https://support.zabbix.com/browse/ZBX-25630
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Fedora Security Advisory FEDORA-2024-BCDEA6E995 vom 2024-12-01
https://bodhi.fedoraproject.org/updates/FEDORA-2024-bcdea6e995
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Fedora Security Advisory FEDORA-EPEL-2024-59FE4B1ED6 vom 2024-12-01
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2024-59fe4b1ed6
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Fedora Security Advisory FEDORA-EPEL-2024-A84AA88792 vom 2024-12-01
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2024-a84aa88792
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PoC auf GitHub vom 2024-12-03
https://github.com/aramosf/cve-2024-42327
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Debian Security Advisory DLA-3984 vom 2024-12-07
https://lists.debian.org/debian-lts-announce/2024/12/msg00005.html
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SUSE Security Update SUSE-SU-2025:02746-1 vom 2025-08-11
https://lists.suse.com/pipermail/sle-security-updates/2025-August/022126.html