CVE-2019-17192 Denial of service in n/a
Remote attackers can cause denial of service in Signal for Android by sending malformed RTP packets before a call is answered.
- 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-2019-17192?
CVE-2019-17192 is a critical denial of service vulnerability in n/a, published on 5 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The WebRTC component in the Signal Private Messenger application through 4.47.7 for Android processes videoconferencing RTP packets before a callee chooses to answer a call, which might make it easier for remote attackers to cause a denial of service or possibly have unspecified other impact via malformed packets. NOTE: the vendor plans to continue this behavior for performance reasons unless a WebRTC design change occurs
Weakness: CWE-670
Which versions are affected by CVE-2019-17192?
It affects 1 product.
Products include Signal Private Messenger.
How do I fix CVE-2019-17192?
No fix has been published for CVE-2019-17192 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-2019-17192 being exploited?
There is no known exploitation of CVE-2019-17192 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-228q-pr2f-pghm.