CVE-2017-2423 — Improper Verification of Cryptographic Signature in Apple Iphone OS
Severity
9.8CRITICALNVD
EPSS
0.3%
top 47.38%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 2
Latest updateMay 13
Description
An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. The issue involves the "Security" component. It allows remote attackers to bypass intended access restrictions by leveraging a successful result from a SecKeyRawVerify API call with an empty signature.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9