CVE-2020-27604 Information disclosure in n/a
Remote authenticated users can read the API shared secret due to missing LibreOffice sandboxing, allowing unauthorized meeting access.
- 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-2020-27604?
CVE-2020-27604 is a medium-severity vulnerability in n/a, published on 21 Oct 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
BigBlueButton before 2.3 does not implement LibreOffice sandboxing. This might make it easier for remote authenticated users to read the API shared secret in the bigbluebutton.properties file. With the API shared secret, an attacker can (for example) use api/join to join an arbitrary meeting regardless of its guestPolicy setting.
Weakness: CWE-116
Which versions are affected by CVE-2020-27604?
It affects 1 product.
Products include Bigbluebutton Bigbluebutton.
How do I fix CVE-2020-27604?
No fix has been published for CVE-2020-27604 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-27604 being exploited?
There is no known exploitation of CVE-2020-27604 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-63xf-x242-85mq.