Apple macOS/iOS Kernel Priv Escalation (Bounds Check Bypass) before 12.6/15.7
CVE-2022-32917 Published on September 20, 2022
The issue was addressed with improved bounds checks. This issue is fixed in macOS Monterey 12.6, iOS 15.7 and iPadOS 15.7, iOS 16, macOS Big Sur 11.7. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..
Known Exploited Vulnerability
This Apple iOS, iPadOS, and macOS Remote Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Apple kernel, which is included in iOS, iPadOS, and macOS, contains an unspecified vulnerability where an application may be able to execute code with kernel privileges.
The following remediation steps are recommended / required by October 5, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2022-32917 can be exploited with local system access, and requires small amount of user privileges. 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 Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2022-32917 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2022-32917
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Affected Versions
Apple iOS:- Version unspecified and below 16 is affected.
- Version unspecified and below 11.7 is affected.
- Version unspecified and below 15.7 is affected.
- Version unspecified and below 12.6 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.