Safari 16.4.1 UAOF Arbitrary Code Execution
CVE-2023-28205 Published on April 10, 2023
A use after free issue was addressed with improved memory management. This issue is fixed in Safari 16.4.1, iOS 15.7.5 and iPadOS 15.7.5, iOS 16.4.1 and iPadOS 16.4.1, macOS Ventura 13.3.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
Known Exploited Vulnerability
This Apple Multiple Products WebKit Use-After-Free Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Apple iOS, iPadOS, macOS, and Safari WebKit contain a use-after-free vulnerability that leads to code execution when processing maliciously crafted web content.
The following remediation steps are recommended / required by May 1, 2023: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2023-28205 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2023-28205 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2023-28205
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Affected Versions
Apple iOS and iPadOS:- Version unspecified and below 15.7 is affected.
- Version unspecified and below 16.4 is affected.
- Version unspecified and below 13.3 is affected.
- Version unspecified and below 16.4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.