CVE-2020-11498 Path traversal in n/a

High 8.8 Published Updated

A relative path vulnerability in Slack Nebula allows attackers to execute arbitrary code with root privileges or user-level persistence.

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-2020-11498?

CVE-2020-11498 is a high-severity path traversal vulnerability in n/a, published on 2 Apr 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Slack Nebula through 1.1.0 contains a relative path vulnerability that allows a low-privileged attacker to execute code in the context of the root user via tun_darwin.go or tun_windows.go. A user can also use Nebula to execute arbitrary code in the user's own context, e.g., for user-level persistence or to bypass security controls. NOTE: the vendor states that this "requires a high degree of access and other preconditions that are tough to achieve."

Weakness: CWE-22

Which versions are affected by CVE-2020-11498?

It affects 1 product.

Products include Slack Nebula.

How do I fix CVE-2020-11498?

No fix has been published for CVE-2020-11498 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-2020-11498 being exploited?

There is no known exploitation of CVE-2020-11498 in the wild and no public exploit code.

Sources

Is CVE-2020-11498 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free