CVE-2021-30734
Apple Safari Memory Corruption Arbitrary Code Execution Vulnerability
Description
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing maliciously crafted web content may lead to arbitrary code execution.
INFO
Published Date :
Sept. 8, 2021, 2:15 p.m.
Last Modified :
Jan. 9, 2023, 4:41 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2021-30734 has a 2 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-2021-30734
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-2021-30734.
| URL | Resource |
|---|---|
| https://support.apple.com/en-us/HT212528 | Vendor Advisory |
| https://support.apple.com/en-us/HT212529 | Vendor Advisory |
| https://support.apple.com/en-us/HT212532 | Vendor Advisory |
| https://support.apple.com/en-us/HT212533 | Vendor Advisory |
| https://support.apple.com/en-us/HT212534 | 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).
None
Python HTML JavaScript Makefile C Objective-C Shell
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-2021-30734 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-30734 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 -
CPE Deprecation Remap by [email protected]
Sep. 22, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:apple:mac_os:*:*:*:*:*:*:*:* versions from (including) 11.0.1 from (excluding) 11.4 OR *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 11.0.1 from (excluding) 11.4 -
Initial Analysis by [email protected]
Sep. 14, 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:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://support.apple.com/en-us/HT212528 No Types Assigned https://support.apple.com/en-us/HT212528 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212529 No Types Assigned https://support.apple.com/en-us/HT212529 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212532 No Types Assigned https://support.apple.com/en-us/HT212532 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212533 No Types Assigned https://support.apple.com/en-us/HT212533 Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212534 No Types Assigned https://support.apple.com/en-us/HT212534 Vendor Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* versions up to (excluding) 14.1.1 *cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* versions up to (excluding) 14.6 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 14.6 *cpe:2.3:o:apple:mac_os:*:*:*:*:*:*:*:* versions from (including) 11.0.1 up to (excluding) 11.4 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 14.6 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 7.5
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-30734 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-2021-30734
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.34 }} 0.01%
score
0.71397
percentile