CVE-2017-16941 File upload in n/a
Authenticated users can upload malicious theme archives containing PHP files and .htaccess to execute arbitrary code, though the vendor disputes this threat model.
- 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-2017-16941?
CVE-2017-16941 is a high-severity vulnerability in Octobercms October, published on 25 Nov 2017. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
October CMS through 1.0.428 does not prevent use of .htaccess in themes, which allows remote authenticated users to execute arbitrary PHP code by downloading a theme ZIP archive from /backend/cms/themes, and then uploading and importing a modified archive with two new files: a .php file and a .htaccess file. NOTE: the vendor says "I don't think [an attacker able to login to the system under an account that has access to manage/upload themes] is a threat model that we need to be considering.
Weakness: CWE-434
Which versions are affected by CVE-2017-16941?
It affects 1 product.
Products include Octobercms October.
How do I fix CVE-2017-16941?
No fix has been published for CVE-2017-16941 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-16941 being exploited?
There is no known exploitation of CVE-2017-16941 in the wild and no public exploit code.
Other vulnerabilities in Octobercms October
Sources
Also known as GHSA-qhc2-3cg3-6xhg.