CVE-2019-1961 Cisco Enterprise NFV Infrastructure Software Web Portal Arbitrary File Read Vulnerability

Medium 4.9 Published 8 Aug 2019 Updated 21 Nov 2024

Authenticated attackers can read arbitrary files on the underlying OS by uploading crafted tar packages to the Cisco NFVIS Web Portal.

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

What is CVE-2019-1961?

CVE-2019-1961 is a medium-severity path traversal vulnerability in Cisco Enterprise NFV Infrastructure Software, published on 8 Aug 2019. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A vulnerability in Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, remote attacker to read arbitrary files on the underlying operating system (OS) of an affected device. The vulnerability is due to the improper input validation of tar packages uploaded through the Web Portal to the Image Repository. An attacker could exploit this vulnerability by uploading a crafted tar package and viewing the log entries that are generated. A successful exploit could allow the attacker to read arbitrary files on the underlying OS.

Weakness: CWE-20, CWE-532

Which versions are affected by CVE-2019-1961?

It affects 1 product.

Products include Cisco Enterprise Nfv Infrastructure Software.

How do I fix CVE-2019-1961?

No fix has been published for CVE-2019-1961 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-2019-1961 being exploited?

There is no known exploitation of CVE-2019-1961 in the wild and no public exploit code.

Sources

Also known as GHSA-48fj-hw7g-w9rw.