Nagvis up to 1.9.33 NagVisHoverUrl.php path traversal

Summaryinfo

A vulnerability identified as critical has been detected in Nagvis up to 1.9.33. Impacted is an unknown function of the file /core/classes/NagVisHoverUrl.php. The manipulation leads to path traversal. This vulnerability is referenced as CVE-2022-46945. Remote exploitation of the attack is possible. Furthermore, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Nagvis up to 1.9.33. This issue affects some unknown functionality of the file /core/classes/NagVisHoverUrl.php. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Nagvis before 1.9.34 was discovered to contain an arbitrary file read vulnerability via the component /core/classes/NagVisHoverUrl.php.

The weakness was published 05/26/2023 as 71aba7f46f79d846e1df037f165d206a2cd1d22a. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2022-46945 since 12/12/2022. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:core/classes/NagVisHoverUrl.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 235043 (Debian dla-4149 : nagvis - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.9.34 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 71aba7f46f79d846e1df037f165d206a2cd1d22a is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Exploit-DB (52229) and Tenable (235043). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

• Nagvis

Version

• 1.9.0
• 1.9.1
• 1.9.2
• 1.9.3
• 1.9.4
• 1.9.5
• 1.9.6
• 1.9.7
• 1.9.8
• 1.9.9
• 1.9.10
• 1.9.11
• 1.9.12
• 1.9.13
• 1.9.14
• 1.9.15
• 1.9.16
• 1.9.17
• 1.9.18
• 1.9.19
• 1.9.20
• 1.9.21
• 1.9.22
• 1.9.23
• 1.9.24
• 1.9.25
• 1.9.26
• 1.9.27
• 1.9.28
• 1.9.29
• 1.9.30
• 1.9.31
• 1.9.32
• 1.9.33

License

• open-source

Website

• Product: https://github.com/NagVis/nagvis/

CPE 2.3info

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CPE 2.2info

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Be aware that VulDB is the high quality source for vulnerability data.

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