CVE-2022-2294 WebRTC WebRTC: memory-safety flaw
In plain words: The program mishandles the memory it uses to keep track of data. A specially made input can scramble that memory. Usually lets an attacker crash the program or run their own code with its permissions.
Confirmed exploited by CISA on · US federal patch deadline Sep 15, 2022
What to do
- Install WebRTC's security update for WebRTC. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Keep a list of every internet-facing server you run so nothing is forgotten.
- Patch anything in this catalog first, ahead of normal patch cycles.
- Put admin and file-transfer apps behind a VPN or single sign-on instead of the open internet.
Who is affected
Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.
What's at risk: Mass data theft and ransomware: a single flaw in a file-transfer or email server has exposed thousands of organisations at once.
The details
- Official name
- WebRTC Heap Buffer Overflow Vulnerability
- Product
- WebRTC WebRTC
- CISA description
- WebRTC, an open-source project providing web browsers with real-time communication, contains a heap buffer overflow vulnerability that allows an attacker to perform shellcode execution. This vulnerability impacts web browsers using WebRTC including but not limited to Google Chrome.
- Type of flaw
- Memory-safety flaw (CWE-122)
- Confirmed exploited
- Aug 25, 2022 — known to be used in ransomware attacks
- US federal patch deadline
- Sep 15, 2022
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Answering about CVE-2022-2294 ·
Questions about CVE-2022-2294
Is CVE-2022-2294 being exploited?
Yes. CISA added CVE-2022-2294 to its Known Exploited Vulnerabilities catalog on Aug 25, 2022, which means there is reliable evidence of real-world attacks, including by ransomware groups.
How do I fix CVE-2022-2294?
Install WebRTC's security update for WebRTC. If no update exists, follow the vendor's workaround or stop using the product until one ships. Keep a list of every internet-facing server you run so nothing is forgotten.
Am I affected by CVE-2022-2294?
Only if you use WebRTC WebRTC. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.