OOB write allows AC_exec in Apple OSes before 16.2/13.1/9.2
CVE-2022-46693 Published on December 15, 2022

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in tvOS 16.2, iCloud for Windows 14.1, macOS Ventura 13.1, iOS 16.2 and iPadOS 16.2, watchOS 9.2. Processing a maliciously crafted file may lead to arbitrary code execution.

NVD

Vulnerability Analysis

CVE-2022-46693 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
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-2022-46693 has been classified to as a Memory Corruption vulnerability or weakness.


Products Associated with CVE-2022-46693

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Affected Versions

Apple iCloud for Windows: Apple tvOS: Apple tvOS: Apple tvOS: Apple watchOS:

Exploit Probability

EPSS
0.23%
Percentile
45.44%

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.