CVE-2017-6758 Path traversal in Cisco Unified Communications Manager

Medium 6.5 Published 7 Aug 2017 Updated 5 Aug 2024

An authenticated remote attacker can read arbitrary files from the web root directory on Cisco Unified Communications Manager due to insufficient input validation.

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-2017-6758?

CVE-2017-6758 is a medium-severity path traversal vulnerability in Cisco Unified Communications Manager, published on 7 Aug 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in the web framework of Cisco Unified Communications Manager 11.5(1.10000.6) could allow an authenticated, remote attacker to access arbitrary files in the context of the web root directory structure on an affected device. The vulnerability is due to insufficient input validation by the affected software. An attacker could exploit this vulnerability by using directory traversal techniques to read files in the web root directory structure on the Cisco Unified Communications Manager filesystem. Cisco Bug IDs: CSCve13796.

Weakness: CWE-22

Which versions are affected by CVE-2017-6758?

It affects 1 product.

Products include Cisco Unified Communications Manager.

How do I fix CVE-2017-6758?

No fix has been published for CVE-2017-6758 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-2017-6758 being exploited?

There is no known exploitation of CVE-2017-6758 in the wild and no public exploit code.

All Cisco Unified Communications Manager vulnerabilities

Sources

Also known as GHSA-45v6-42h5-vq5q.