CVE-2019-18856 Denial of service in n/a
Attackers can cause a denial of service in Drupal by exploiting mishandled external resource access in the SVG Sanitizer module.
- 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-2019-18856?
CVE-2019-18856 is a high-severity denial of service vulnerability in n/a, published on 11 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Denial Of Service vulnerability exists in the SVG Sanitizer module through 8.x-1.0-alpha1 for Drupal because access to external resources with an SVG use element is mishandled.
Weakness: CWE-732
Which versions are affected by CVE-2019-18856?
It affects 1 product.
Products include Drupal Svg Sanitizer.
How do I fix CVE-2019-18856?
No fix has been published for CVE-2019-18856 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-18856 being exploited?
There is no known exploitation of CVE-2019-18856 in the wild and no public exploit code.
Sources
Also known as GHSA-89wx-w454-grxp.