An issue was discovered in certain Apple products. iOS before 11.3 is affected. The issue involves the "Telephony" component. A buffer overflow allows remote attackers to execute arbitrary code.
https://support.apple.com/HT208693
https://comsecuris.com/blog/posts/theres_life_in_the_old_dog_yet_tearing_new_holes_into_inteliphone_cellular_modems/
http://www.securityfocus.com/bid/103578
Source: Mitre, NVD
Published: 2018-04-03
Updated: 2018-05-04
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical