VulnerabilityModified
CVE-2017-2423
It allows remote attackers to bypass intended access restrictions by leveraging a successful result from a SecKeyRawVerify API call with an empty signature.
CRITICAL 9.8EPSS 1.75%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.75%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.75% probability · 77th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-347
- Affected
- apple/iphone os · apple/mac os x
- Source
- product-security@apple.com
References
- http://www.securityfocus.com/bid/97147Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038138
- https://support.apple.com/HT207615Vendor Advisory
- https://support.apple.com/HT207617Vendor Advisory
- http://www.securityfocus.com/bid/97147Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038138
- https://support.apple.com/HT207615Vendor Advisory
- https://support.apple.com/HT207617Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.