CVE-2020-15639 Path traversal in QConvergeConsole

Critical 9.8 Published 25 Aug 2020 Updated 4 Aug 2024

Remote attackers can execute arbitrary code with SYSTEM privileges via path traversal in Marvell QConvergeConsole without authentication.

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

What is CVE-2020-15639?

CVE-2020-15639 is a critical path traversal vulnerability in Marvell QConvergeConsole, published on 25 Aug 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Marvell QConvergeConsole 5.5.0.64. Authentication is not required to exploit this vulnerability. The specific flaw exists within the decryptFile method of the FlashValidatorServiceImpl 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 execute code in the context of SYSTEM. Was ZDI-CAN-10496.

Weakness: CWE-22

Which versions are affected by CVE-2020-15639?

It affects 1 product.

Products include Marvell Qconvergeconsole.

How do I fix CVE-2020-15639?

No fix has been published for CVE-2020-15639 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-2020-15639 being exploited?

There is no known exploitation of CVE-2020-15639 in the wild and no public exploit code.

Sources

Also known as GHSA-cg9f-2ww2-q5f3.