CVE-2017-16766 Cross-site scripting in DiskStation Manager (DSM)
Local attackers can inject arbitrary scripts via the synodsmnotify tool, potentially leading to code execution or security bypasses in Synology DSM.
- 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-2017-16766?
CVE-2017-16766 is a medium-severity cross-site scripting vulnerability in Synology Diskstation Manager, published on 22 Dec 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An improper access control vulnerability in synodsmnotify in Synology DiskStation Manager (DSM) before 6.1.4-15217 and before 6.0.3-8754-6 allows local users to inject arbitrary web script or HTML via the -fn option.
Which versions are affected by CVE-2017-16766?
It affects 1 product.
Products include Synology Diskstation Manager.
How do I fix CVE-2017-16766?
No fix has been published for CVE-2017-16766 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2017-16766 being exploited?
There is no known exploitation of CVE-2017-16766 in the wild and no public exploit code.
Other vulnerabilities in Synology Diskstation Manager
Sources
Also known as GHSA-59q4-wg74-fxmm.