CVE-2021-30807
Apple Multiple Products Memory Corruption Vulnerab - [Actively Exploited]
Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. 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.
INFO
Published Date :
Oct. 19, 2021, 2:15 p.m.
Last Modified :
Aug. 8, 2023, 2:21 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Apple iOS, iPadOS, macOS, and watchOS IOMobileFrameBuffer contain a memory corruption vulnerability which may allow an application to execute code with kernel privileges.
Apply updates per vendor instructions.
Public PoC/Exploit Available at Github
CVE-2021-30807 has a 13 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-30807
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.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-30807.
| URL | Resource |
|---|---|
| https://support.apple.com/en-us/HT212622 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/HT212623 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/HT212713 | Release Notes Vendor Advisory |
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).
All CVE - PoC in GitHub
poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate
None
None
An iOS exploitation project for whatever versions I feel like bothering with. (ABANDONED: out of my depth lol)
Zig Objective-C C
None
None
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
Gex is an iOS 14.7 jailbreak using CVE-2021-30807 IOMFB & CVE-2021-30860 exploit(s)
C Python
Exploit for CVE-2021-30807
C Makefile Python
None
C Shell
None
C
My Personal Reading lists for CVE Writeups
Python
Here is some resources about macOS/iOS system security.
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-30807 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-30807 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 [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Oct. 20, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://support.apple.com/en-us/HT212622 No Types Assigned https://support.apple.com/en-us/HT212622 Release Notes, Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212623 No Types Assigned https://support.apple.com/en-us/HT212623 Release Notes, Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212713 No Types Assigned https://support.apple.com/en-us/HT212713 Release Notes, Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* versions up to (excluding) 14.7.1 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 14.7.1 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions up to (excluding) 11.5.1 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 7.6.1
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-30807 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-2021-30807
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.12 }} 0.01%
score
0.47283
percentile