Arbitrary Exec in Safari before 15.6 via bounds check flaw on macOS/iOS
CVE-2022-48503 Published on August 14, 2023
The issue was addressed with improved bounds checks. This issue is fixed in tvOS 15.6, watchOS 8.7, iOS 15.6 and iPadOS 15.6, macOS Monterey 12.5, Safari 15.6. Processing web content may lead to arbitrary code execution.
Known Exploited Vulnerability
This Apple Multiple Products Unspecified Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Apple macOS, iOS, tvOS, Safari, and watchOS contain an unspecified vulnerability in JavaScriptCore that when processing web content may lead to arbitrary code execution. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.
The following remediation steps are recommended / required by November 10, 2025: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vulnerability Analysis
CVE-2022-48503 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 an out-of-bounds array index Vulnerability?
The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.
CVE-2022-48503 has been classified to as an out-of-bounds array index vulnerability or weakness.
Products Associated with CVE-2022-48503
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Affected Versions
Apple macOS:- Version unspecified and below 12.5 is affected.
- Version unspecified and below 15.6 is affected.
- Version unspecified and below 15.6 is affected.
- Version unspecified and below 8.7 is affected.
- Version unspecified and below 15.6 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.