CVE-2017-2298 Path traversal in mcollective
A compromised server can write files to arbitrary locations on the client via path traversal in the mcollective-sshkey-security plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2017-2298?
CVE-2017-2298 is a medium-severity path traversal vulnerability in Puppet mcollective, published on 30 Jun 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The mcollective-sshkey-security plugin before 0.5.1 for Puppet uses a server-specified identifier as part of a path where a file is written. A compromised server could use this to write a file to an arbitrary location on the client with the filename appended with the string "_pub.pem".
Weakness: CWE-20
Which versions are affected by CVE-2017-2298?
It affects 1 product.
Products include Puppet Mcollective-Sshkey-Security.
How do I fix CVE-2017-2298?
No fix has been published for CVE-2017-2298 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-2017-2298 being exploited?
There is no known exploitation of CVE-2017-2298 in the wild and no public exploit code.
Sources
Also known as GHSA-3wcp-fjfh-pw9r.