CVE-2023-32412

iOS / macOS libIPTelephony.dylib Use-After-Free

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, macOS Big Sur 11.7.7, macOS Monterey 12.6.6, iOS 16.5 and iPadOS 16.5. A remote attacker may be able to cause unexpected app termination or arbitrary code execution.

There is a use-after-free vulnerability in libIPTelephony.dylib inside the SIP message decoder (SipMessageDecoder::decode() function). The vulnerable library is present on both iOS and macOS and was confirmed on macOS Ventura 13.2.1.

*Credits: N/A

CVSS Scores

NISTv3.1 9.8

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-05-08 CVE Reserved
2023-06-19 CVE Published
2024-08-02 CVE Updated
2024-09-27 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (7)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://support.apple.com/en-us/HT213757	2023-07-27
https://support.apple.com/en-us/HT213758	2023-07-27
https://support.apple.com/en-us/HT213759	2023-07-27
https://support.apple.com/en-us/HT213760	2023-07-27
https://support.apple.com/en-us/HT213761	2023-07-27
https://support.apple.com/en-us/HT213764	2023-07-27
https://support.apple.com/en-us/HT213765	2023-07-27

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apple Search vendor "Apple"		Ipados Search vendor "Apple" for product "Ipados"				< 15.7.6 Search vendor "Apple" for product "Ipados" and version " < 15.7.6"		-		Affected
Apple Search vendor "Apple"		Ipados Search vendor "Apple" for product "Ipados"				>= 16.0 < 16.5 Search vendor "Apple" for product "Ipados" and version " >= 16.0 < 16.5"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				< 15.7.6 Search vendor "Apple" for product "Iphone Os" and version " < 15.7.6"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				>= 16.0 < 16.5 Search vendor "Apple" for product "Iphone Os" and version " >= 16.0 < 16.5"		-		Affected
Apple Search vendor "Apple"		Macos Search vendor "Apple" for product "Macos"				>= 11.0 < 11.7.7 Search vendor "Apple" for product "Macos" and version " >= 11.0 < 11.7.7"		-		Affected
Apple Search vendor "Apple"		Macos Search vendor "Apple" for product "Macos"				>= 12.0 < 12.6.6 Search vendor "Apple" for product "Macos" and version " >= 12.0 < 12.6.6"		-		Affected
Apple Search vendor "Apple"		Macos Search vendor "Apple" for product "Macos"				>= 13.0 < 13.4 Search vendor "Apple" for product "Macos" and version " >= 13.0 < 13.4"		-		Affected
Apple Search vendor "Apple"		Tvos Search vendor "Apple" for product "Tvos"				< 16.5 Search vendor "Apple" for product "Tvos" and version " < 16.5"		-		Affected
Apple Search vendor "Apple"		Watchos Search vendor "Apple" for product "Watchos"				< 9.5 Search vendor "Apple" for product "Watchos" and version " < 9.5"		-		Affected