CVE-2017-6708 Path traversal in Cisco Ultra Services Framework

Critical 9.8 Published 6 Jul 2017 Updated 5 Aug 2024

Unauthenticated remote attackers can read sensitive files or execute code via symlink creation flaws in Cisco Ultra Services Framework.

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-2017-6708?

CVE-2017-6708 is a critical path traversal vulnerability in Cisco Ultra Services Framework, published on 6 Jul 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the symbolic link (symlink) creation functionality of the AutoVNF tool for the Cisco Ultra Services Framework could allow an unauthenticated, remote attacker to read sensitive files or execute malicious code on an affected system. The vulnerability is due to the absence of validation checks for the input that is used to create symbolic links. This vulnerability affects all releases of the Cisco Ultra Services Framework prior to Releases 5.0.3 and 5.1. Cisco Bug IDs: CSCvc76654.

Weakness: CWE-200

Which versions are affected by CVE-2017-6708?

It affects 1 product.

Products include Cisco Ultra Services Framework.

How do I fix CVE-2017-6708?

No fix has been published for CVE-2017-6708 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-2017-6708 being exploited?

There is no known exploitation of CVE-2017-6708 in the wild and no public exploit code.

Sources

Also known as GHSA-pfr5-rwfq-66qc.