CVE-2023-42129 A10 Thunder ADC ShowTechDownloadView Directory Traversal Information Disclosure Vulnerability

Medium 6.5 Published 3 May 2024 Updated 18 Sep 2024

Authenticated attackers can exploit a path traversal flaw in A10 Thunder ADC to disclose sensitive information via the ShowTechDownloadView class.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-42129?

CVE-2023-42129 is a medium-severity path traversal vulnerability in A10 Thunder ADC, published on 3 May 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A10 Thunder ADC ShowTechDownloadView Directory Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of A10 Thunder ADC. Authentication is required to exploit this vulnerability.

The specific flaw exists within the ShowTechDownloadView class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose information in the context of the service account. . Was ZDI-CAN-17899.

Weakness: CWE-22

Which versions are affected by CVE-2023-42129?

It affects 1 product.

Products include A10networks Advanced Core Operating System.

How do I fix CVE-2023-42129?

No fix has been published for CVE-2023-42129 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-42129 being exploited?

There is no known exploitation of CVE-2023-42129 in the wild and no public exploit code.

Sources

Also known as GHSA-g53j-w72m-r73h.