Vulnerability in Apple Iphone OS
CVE-2017-2423
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.
EPSS: 0.017 (75.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apple Iphone_os
- Apple Mac_os_x
- N/a — versions n/a
Weakness classification (CWE)
References
- product-security@apple.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
- product-security@apple.com (vdb-entry, x_refsource_SECTRACK)
- product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-2423?
- CVE-2017-2423 is a critical-severity vulnerability in Apple Iphone OS, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.8/10. Published 2017-04-02.
- How severe is CVE-2017-2423?
- Critical severity. CVSS v3 base score is 9.8 out of 10.