CVE-2021-32754 Improper Restriction of XML External Entity Reference in de.tud.sse
An attacker controlling the XML source/sink definition file can read external files via XXE in FlowDroid.
- 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-2021-32754?
CVE-2021-32754 is a medium-severity vulnerability in secure-software-engineering FlowDroid, published on 12 Jul 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
FlowDroid is a data flow analysis tool. FlowDroid versions prior to 2.9.0 contained an XML external entity (XXE) vulnerability that allowed an attacker who had control over the source/sink definition file in XML format to read files from external locations. In order for this to occur, the XML-based format for sources and sinks had to be used and the attacker had to able control the source/sink definition file. The vulnerability was patched in version 2.9.0. As a workaround, do not allow untrusted entities to control the source/sink definition file.
Weakness: CWE-611
Which versions are affected by CVE-2021-32754?
It affects 1 product.
Products include Flowdroid Project Flowdroid.
How do I fix CVE-2021-32754?
No fix has been published for CVE-2021-32754 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-32754 being exploited?
There is no known exploitation of CVE-2021-32754 in the wild and no public exploit code.