CVE-2017-2471: apple iphone_os Use After Free

Vulnerability summary

CVE-2017-2471 is a high (CVSS 8.8) Use After Free vulnerability in apple iphone_os. EPSS estimates a 8.47% chance of exploitation in the next 30 days, higher than 94.9% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 02-04-2017
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10.1 is affected. watchOS before 3.2 is affected. The issue involves the "WebKit" component. A use-after-free vulnerability allows remote attackers to execute arbitrary code via a crafted web site.

• CWE-416Use After FreeThe product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.