8.1
HIGH
CVE-2024-27834
Apple iOS/ tvOS/ watchOS/ macOS Pointer Authentication Bypass
Description

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.

INFO

Published Date :

May 14, 2024, 3:13 p.m.

Last Modified :

July 3, 2024, 1:51 a.m.

Remotely Exploitable :

No

Impact Score :

6.0

Exploitability Score :

1.4
Affected Products

The following products are affected by CVE-2024-27834 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apple macos
2 Apple iphone_os
3 Apple tvos
4 Apple watchos
5 Apple safari

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-27834 vulnerability anywhere in the article.

  • The Hacker News
Apple Releases Urgent Updates to Patch Actively Exploited Zero-Day Vulnerabilities

Apple has released security updates for iOS, iPadOS, macOS, visionOS, and its Safari web browser to address two zero-day flaws that have come under active exploitation in the wild. The flaws are liste ... Read more

Published Date: Nov 20, 2024 (1 day, 12 hours ago)

The following table lists the changes that have been made to the CVE-2024-27834 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 03, 2024

    Action Type Old Value New Value
    Added CWE CISA-ADP CWE-277
    Added CVSS V3.1 CISA-ADP AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
  • CVE Modified by [email protected]

    Jun. 22, 2024

    Action Type Old Value New Value
    Added Reference Apple Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/ADCLQW54XN37VJZNYD3UKCYATJFIMYXG/ [No types assigned]
  • CVE Modified by [email protected]

    Jun. 19, 2024

    Action Type Old Value New Value
    Added Reference Apple Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/WKIXADCW3O4R2OOSDZGPU55XQFE6NA3M/ [No types assigned]
  • CVE Modified by [email protected]

    Jun. 10, 2024

    Action Type Old Value New Value
    Added Reference Apple Inc. http://seclists.org/fulldisclosure/2024/May/9 [No types assigned]
    Added Reference Apple Inc. http://seclists.org/fulldisclosure/2024/May/12 [No types assigned]
    Added Reference Apple Inc. http://seclists.org/fulldisclosure/2024/May/16 [No types assigned]
  • CVE Modified by [email protected]

    Jun. 10, 2024

    Action Type Old Value New Value
    Added Reference Apple Inc. http://www.openwall.com/lists/oss-security/2024/05/21/1 [No types assigned]
    Added Reference Apple Inc. http://seclists.org/fulldisclosure/2024/May/10 [No types assigned]
  • CVE Modified by [email protected]

    Jun. 10, 2024

    Action Type Old Value New Value
    Added Reference Apple Inc. http://seclists.org/fulldisclosure/2024/May/17 [No types assigned]
  • CVE Received by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
    Added Description 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.
    Added Reference Apple Inc. https://support.apple.com/en-us/HT214101 [No types assigned]
    Added Reference Apple Inc. https://support.apple.com/en-us/HT214106 [No types assigned]
    Added Reference Apple Inc. https://support.apple.com/en-us/HT214104 [No types assigned]
    Added Reference Apple Inc. https://support.apple.com/en-us/HT214103 [No types assigned]
    Added Reference Apple Inc. https://support.apple.com/en-us/HT214102 [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-27834 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-27834 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability