CVE-2021-30773
Apple iOS/TVOS/WatchOS Code Signing Bypass Vulnerability
Description
An issue in code signature validation was addressed with improved checks. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. A malicious application may be able to bypass code signing checks.
INFO
Published Date :
Sept. 8, 2021, 2:15 p.m.
Last Modified :
Sept. 17, 2021, 4:37 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2021-30773 has a 9 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2021-30773.
| URL | Resource |
|---|---|
| https://support.apple.com/en-us/HT212601 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/HT212604 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/HT212605 | 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).
Fugu16 is an untethered iOS 16 Jailbreak
Swift JavaScript C Shell Assembly Python Objective-C
None
Swift JavaScript C Shell Assembly Python Objective-C
None
Swift JavaScript C Shell Assembly Python Objective-C
None
Swift JavaScript C Shell Assembly Python Objective-C
None
Swift JavaScript C Shell Assembly Python Objective-C
None
Swift JavaScript C Shell Assembly Python Objective-C
Fugu14 is an untethered iOS 14.3-14.5.1 jailbreak
Swift JavaScript C Shell Assembly Python Objective-C
Automatic monitor github cve using Github Actions
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-2021-30773 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-30773 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]
Sep. 17, 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:N/I:P/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Changed Reference Type https://support.apple.com/en-us/HT212601 No Types Assigned https://support.apple.com/en-us/HT212601 Release Notes, Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212604 No Types Assigned https://support.apple.com/en-us/HT212604 Release Notes, Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212605 No Types Assigned https://support.apple.com/en-us/HT212605 Release Notes, Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 14.7 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 14.7 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 7.6
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-30773 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-2021-30773
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} 0.01%
score
0.34465
percentile