CVE-2024-27834

Apple Safari Out-Of-Bounds Write Remote Code Execution Vulnerability

Severity Score

8.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

The issue was addressed with improved checks. This issue is fixed in iOS 17.5 and iPadOS 17.5, tvOS 17.5, Safari 17.5, watchOS 10.5, macOS Sonoma 14.5. An attacker with arbitrary read and write capability may be able to bypass Pointer Authentication.

El problema se solucionó con controles mejorados. Este problema se solucionó en iOS 17.5 y iPadOS 17.5, tvOS 17.5, Safari 17.5, watchOS 10.5, macOS Sonoma 14.5. Un atacante con capacidad de lectura y escritura arbitraria puede eludir la autenticación de puntero.

A vulnerability was found in Webkit. This flaw allows an attacker with arbitrary read and write capability to bypass pointer authentication.

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Apple Safari. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the B3 JIT compiler. By performing actions in JavaScript, an attacker can trigger a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.

*Credits: Manfred Paul (@_manfp)

CVSS Scores

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

Complete

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2022-08-18 CVE Published
2024-02-26 CVE Reserved
2024-08-02 CVE Updated
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-277: Insecure Inherited Permissions
CWE-288: Authentication Bypass Using an Alternate Path or Channel

CAPEC

References (15)

URL	Tag	Source
http://seclists.org/fulldisclosure/2024/May/10
http://seclists.org/fulldisclosure/2024/May/12
http://seclists.org/fulldisclosure/2024/May/16
http://seclists.org/fulldisclosure/2024/May/17
http://seclists.org/fulldisclosure/2024/May/9
http://www.openwall.com/lists/oss-security/2024/05/21/1
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ADCLQW54XN37VJZNYD3UKCYATJFIMYXG
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WKIXADCW3O4R2OOSDZGPU55XQFE6NA3M
https://support.apple.com/en-us/HT214101
https://support.apple.com/en-us/HT214102
https://support.apple.com/en-us/HT214103
https://support.apple.com/en-us/HT214104
https://support.apple.com/en-us/HT214106

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2024-27834	2023-07-18
https://bugzilla.redhat.com/show_bug.cgi?id=2282412	2023-07-18

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apple Search vendor "Apple"		Safari Search vendor "Apple" for product "Safari"				*		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				*		-		Affected
Webkitgtk Search vendor "Webkitgtk"		Webkitgtk Search vendor "Webkitgtk" for product "Webkitgtk"				*		-		Affected
Wpewebkit Search vendor "Wpewebkit"		Wpe Webkit Search vendor "Wpewebkit" for product "Wpe Webkit"				*		-		Affected
Amazon Search vendor "Amazon"		Linux Search vendor "Amazon" for product "Linux"				*		-		Affected
Apple Search vendor "Apple"		Ipad Os Search vendor "Apple" for product "Ipad Os"				*		-		Affected
Apple Search vendor "Apple"		Ipados Search vendor "Apple" for product "Ipados"				*		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				*		-		Affected
Apple Search vendor "Apple"		Macos Search vendor "Apple" for product "Macos"				*		-		Affected
Apple Search vendor "Apple"		Tvos Search vendor "Apple" for product "Tvos"				*		-		Affected
Apple Search vendor "Apple"		Watchos Search vendor "Apple" for product "Watchos"				*		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				*		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				*		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				*		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				*		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				*		-		Affected
Redhat Search vendor "Redhat"		Rhel Eus Search vendor "Redhat" for product "Rhel Eus"				*		-		Affected
Suse Search vendor "Suse"		Sle-module-basesystem Search vendor "Suse" for product "Sle-module-basesystem"				*		-		Affected
Suse Search vendor "Suse"		Sle-module-desktop-applications Search vendor "Suse" for product "Sle-module-desktop-applications"				*		-		Affected
Suse Search vendor "Suse"		Sle-module-development-tools Search vendor "Suse" for product "Sle-module-development-tools"				*		-		Affected
Suse Search vendor "Suse"		Sle-sdk Search vendor "Suse" for product "Sle-sdk"				*		-		Affected
Suse Search vendor "Suse"		Sle-we Search vendor "Suse" for product "Sle-we"				*		-		Affected
Suse Search vendor "Suse"		Sle Hpc-espos Search vendor "Suse" for product "Sle Hpc-espos"				*		-		Affected
Suse Search vendor "Suse"		Sle Hpc-ltss Search vendor "Suse" for product "Sle Hpc-ltss"				*		-		Affected
Suse Search vendor "Suse"		Sle Hpc Search vendor "Suse" for product "Sle Hpc"				*		-		Affected
Suse Search vendor "Suse"		Sled Search vendor "Suse" for product "Sled"				*		-		Affected
Suse Search vendor "Suse"		Sles-ltss-extended-security Search vendor "Suse" for product "Sles-ltss-extended-security"				*		-		Affected
Suse Search vendor "Suse"		Sles-ltss Search vendor "Suse" for product "Sles-ltss"				*		-		Affected
Suse Search vendor "Suse"		Sles Search vendor "Suse" for product "Sles"				*		-		Affected
Suse Search vendor "Suse"		Sles Sap Search vendor "Suse" for product "Sles Sap"				*		-		Affected
Suse Search vendor "Suse"		Suse-manager-proxy Search vendor "Suse" for product "Suse-manager-proxy"				*		-		Affected
Suse Search vendor "Suse"		Suse-manager-server Search vendor "Suse" for product "Suse-manager-server"				*		-		Affected