This security bulletin contains one critical risk vulnerability.
CWE-787 - Out-of-bounds Write
Exploit availability: NoDescription
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing email in the iOS MobileMail. A remote attacker can send a specially crafted email message, trigger an out-of-bounds write and execute arbitrary code on the target system. No user interaction is required to execute arbitrary code.
Note, this vulnerability is being actively exploited in the wild.
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.Vulnerable software versions
Apple iOS: 11.0.0 - 11.0.3, 11.1 - 11.1.2, 11.2 - 11.2.6, 11.3 - 11.3.1, 11.4 - 11.4.1, 12.0 16A366 - 12.0.1 16A404, 12.1 16B92 - 12.1.4 16D57, 12.3 16F156 - 12.3.2 16F250, 12.4 16G77 - 12.4.3 16G130, 13.1 17A844 - 13.1.3 17A878, 13.2 17B84 - 13.2.3 17B111, 13.3 17C54 - 13.3.1 17D50, 13.4 17E255 - 13.4.1 17E262
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.