CVE-2017-5246 Cross-site scripting in Secure File Transfer

Medium 4.3 Published 18 Jul 2017 Updated 5 Aug 2024

Authenticated users can inject AngularJS expressions into display names, leading to code execution or account takeover when viewed by others.

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-2017-5246?

CVE-2017-5246 is a medium-severity cross-site scripting vulnerability in Biscom Secure File Transfer, published on 18 Jul 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Biscom Secure File Transfer is vulnerable to AngularJS expression injection in the Display Name field. An authenticated user can populate this field with a valid AngularJS expression, wrapped in double curly-braces ({{ }}). This expression will be evaluated by any other authenticated user who views the attacker's display name. Affected versions are 5.0.0000 through 5.1.1026. The Issue is fixed in 5.1.1028.

Weakness: CWE-74

Which versions are affected by CVE-2017-5246?

It affects 1 product.

Products include Biscom Secure File Transfer.

How do I fix CVE-2017-5246?

No fix has been published for CVE-2017-5246 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-2017-5246 being exploited?

There is no known exploitation of CVE-2017-5246 in the wild and no public exploit code.

Sources

Also known as GHSA-687v-j3jj-3p7p.