Cacti up to 1.2.27 HTTP POST Request links.php fileurl cross site scripting

Summaryinfo

A vulnerability was found in Cacti up to 1.2.27. It has been classified as problematic. This affects an unknown function of the file links.php of the component HTTP POST Request Handler. This manipulation of the argument fileurl causes cross site scripting. The identification of this vulnerability is CVE-2024-43362. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Cacti up to 1.2.27. It has been declared as problematic. Affected by this vulnerability is an unknown code block of the file links.php of the component HTTP POST Request Handler. The manipulation of the argument fileurl with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

Cacti is an open source performance and fault management framework. The `fileurl` parameter is not properly sanitized when saving external links in `links.php` . Morever, the said fileurl is placed in some html code which is passed to the `print` function in `link.php` and `index.php`, finally leading to stored XSS. Users with the privilege to create external links can manipulate the `fileurl` parameter in the http post request while creating external links to perform stored XSS attacks. The vulnerability known as XSS (Cross-Site Scripting) occurs when an application allows untrusted user input to be displayed on a web page without proper validation or escaping. This issue has been addressed in release version 1.2.28. All users are advised to upgrade. There are no known workarounds for this issue.

The advisory is shared at github.com. This vulnerability is known as CVE-2024-43362 since 08/09/2024. The exploitation appears to be easy. The attack can be launched remotely. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

By approaching the search of inurl:links.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 215468 (Debian dsa-5862 : cacti - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.2.28 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (215468). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Log Management Software

Name

• Cacti

Version

• 1.2.0
• 1.2.1
• 1.2.2
• 1.2.3
• 1.2.4
• 1.2.5
• 1.2.6
• 1.2.7
• 1.2.8
• 1.2.9
• 1.2.10
• 1.2.11
• 1.2.12
• 1.2.13
• 1.2.14
• 1.2.15
• 1.2.16
• 1.2.17
• 1.2.18
• 1.2.19
• 1.2.20
• 1.2.21
• 1.2.22
• 1.2.23
• 1.2.24
• 1.2.25
• 1.2.26
• 1.2.27

License

• open-source

Website

• Product: https://github.com/Cacti/cacti/

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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