CVE-2021-31010 Apple iOS, macOS, watchOS: unsafe data loading
In plain words: The program unpacks saved data from outside without checking it is safe. Usually lets an attacker run code on the server.
Confirmed exploited by CISA on · US federal patch deadline Sep 15, 2022
What to do
- Install Apple's security update for iOS, macOS, watchOS. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Install system updates the day they come out — most phone zero-days are fixed in a point release.
- Restart your phone every few days; some spyware does not survive a reboot.
- If you are a journalist, activist, lawyer, politician or executive, turn on Lockdown Mode (iPhone) or Advanced Protection (Android).
Who is affected
Could reach you. This one is aimed at devices or apps of the kind people own.
What's at risk: Messages, photos, location, microphone and camera. The most serious ones are "zero-click": no tap needed from the owner. They are usually used as spyware against a small number of chosen people.
The details
- Official name
- Apple iOS, macOS, watchOS Sandbox Bypass Vulnerability
- Product
- Apple iOS, macOS, watchOS
- CISA description
- In affected versions of Apple iOS, macOS, and watchOS, a sandboxed process may be able to circumvent sandbox restrictions.
- Type of flaw
- Unsafe data loading (CWE-20, CWE-502)
- Confirmed exploited
- Aug 25, 2022
- US federal patch deadline
- Sep 15, 2022
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Answering about CVE-2021-31010 ·
Questions about CVE-2021-31010
Is CVE-2021-31010 being exploited?
Yes. CISA added CVE-2021-31010 to its Known Exploited Vulnerabilities catalog on Aug 25, 2022, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2021-31010?
Install Apple's security update for iOS, macOS, watchOS. If no update exists, follow the vendor's workaround or stop using the product until one ships. Install system updates the day they come out — most phone zero-days are fixed in a point release.
Am I affected by CVE-2021-31010?
Only if you use Apple iOS, macOS, watchOS. This one is aimed at devices or apps of the kind people own.