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PUBLISHED

CVE-2024-29895

Cacti command injection in cmd_realtime.php

Reserved:2024-03-21
Published:2024-05-13
Updated:2024-05-13

Description

Cacti provides an operational monitoring and fault management framework. A command injection vulnerability on the 1.3.x DEV branch allows any unauthenticated user to execute arbitrary command on the server when `register_argc_argv` option of PHP is `On`. In `cmd_realtime.php` line 119, the `$poller_id` used as part of the command execution is sourced from `$_SERVER['argv']`, which can be controlled by URL when `register_argc_argv` option of PHP is `On`. And this option is `On` by default in many environments such as the main PHP Docker image for PHP. Commit 53e8014d1f082034e0646edc6286cde3800c683d contains a patch for the issue, but this commit was reverted in commit 99633903cad0de5ace636249de16f77e57a3c8fc.



CRITICAL: 10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Problem types

CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')

Product status

= 1.3.x DEV
affected

References

https://github.com/Cacti/cacti/security/advisories/GHSA-cr28-x256-xf5m

https://github.com/Cacti/cacti/commit/53e8014d1f082034e0646edc6286cde3800c683d

https://github.com/Cacti/cacti/commit/99633903cad0de5ace636249de16f77e57a3c8fc

https://github.com/Cacti/cacti/blob/501712998589763d411a68d35e3cda98fd9cfd18/cmd_realtime.php#L119

cve.org CVE-2024-29895

nvd.nist.gov CVE-2024-29895

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