CVE-2017-11148 Server-side request forgery in Synology Chat

Medium 6.5 Published 11 Aug 2017 Updated 17 Sep 2024

Authenticated attackers can exploit SSRF in Synology Chat to access internal intranet resources, requiring an upgrade to mitigate.

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-2017-11148?

CVE-2017-11148 is a medium-severity server-side request forgery vulnerability in Synology Chat, published on 11 Aug 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Server-side request forgery (SSRF) vulnerability in link preview in Synology Chat before 1.1.0-0806 allows remote authenticated users to access intranet resources via unspecified vectors.

Weakness: CWE-918

Which versions are affected by CVE-2017-11148?

It affects 1 product.

Products include Synology Chat.

How do I fix CVE-2017-11148?

No fix has been published for CVE-2017-11148 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2017-11148 being exploited?

There is no known exploitation of CVE-2017-11148 in the wild and no public exploit code.

Sources

Also known as GHSA-j3h5-6g74-vcfx.