CVE-2021-30858
Apple iOS, iPadOS, macOS Use-After-Free Vulnerabil - [Actively Exploited]
Description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
INFO
Published Date :
Aug. 24, 2021, 7:15 p.m.
Last Modified :
July 29, 2024, 6:30 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
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, and macOS WebKit contains a use-after-free vulnerability that may allow for code execution when processing maliciously crafted web content.
Apply updates per vendor instructions.
Public PoC/Exploit Available at Github
CVE-2021-30858 has a 10 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-2021-30858
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-2021-30858
.
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
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
Hi there! Thanks for testing out my first Github repository & attempt to implement a webkit vulnerability test! So you are aware: I did not discover this exploit, and I also did not write most of this code. So far, I have started off with modifying existing code to begin to learn how this all works. Let me know how your experience went!
HTML
My take on CVE-2021-30858 for ps4 8.xx
HTML
Testing CVE-2021-30858 Rev3
HTML
VERY simple code to check if the browser is compatible or not
HTML
Automatic monitor github cve using Github Actions
Python
NIST BULK CVE Lookup
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-30858
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-30858
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.
-
Modified Analysis by [email protected]
Jul. 29, 2024
Action Type Old Value New Value Changed Reference Type http://seclists.org/fulldisclosure/2021/Sep/25 No Types Assigned http://seclists.org/fulldisclosure/2021/Sep/25 Mailing List, Third Party Advisory Changed Reference Type http://seclists.org/fulldisclosure/2021/Sep/27 No Types Assigned http://seclists.org/fulldisclosure/2021/Sep/27 Mailing List, Third Party Advisory Changed Reference Type http://seclists.org/fulldisclosure/2021/Sep/29 No Types Assigned http://seclists.org/fulldisclosure/2021/Sep/29 Mailing List, Third Party Advisory Changed Reference Type http://seclists.org/fulldisclosure/2021/Sep/38 No Types Assigned http://seclists.org/fulldisclosure/2021/Sep/38 Mailing List, Third Party Advisory Changed Reference Type http://seclists.org/fulldisclosure/2021/Sep/39 No Types Assigned http://seclists.org/fulldisclosure/2021/Sep/39 Mailing List, Third Party Advisory Changed Reference Type http://seclists.org/fulldisclosure/2021/Sep/50 No Types Assigned http://seclists.org/fulldisclosure/2021/Sep/50 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/09/20/1 No Types Assigned http://www.openwall.com/lists/oss-security/2021/09/20/1 Mailing List Changed Reference Type http://www.openwall.com/lists/oss-security/2021/10/26/9 No Types Assigned http://www.openwall.com/lists/oss-security/2021/10/26/9 Mailing List Changed Reference Type http://www.openwall.com/lists/oss-security/2021/10/27/1 No Types Assigned http://www.openwall.com/lists/oss-security/2021/10/27/1 Mailing List Changed Reference Type http://www.openwall.com/lists/oss-security/2021/10/27/2 No Types Assigned http://www.openwall.com/lists/oss-security/2021/10/27/2 Mailing List Changed Reference Type http://www.openwall.com/lists/oss-security/2021/10/27/4 No Types Assigned http://www.openwall.com/lists/oss-security/2021/10/27/4 Mailing List Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/ Release Notes Changed Reference Type https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/ No Types Assigned https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/ Release Notes Changed Reference Type https://support.apple.com/en-us/HT212804 No Types Assigned https://support.apple.com/en-us/HT212804 Third Party Advisory Changed Reference Type https://support.apple.com/en-us/HT212807 No Types Assigned https://support.apple.com/en-us/HT212807 Third Party Advisory Changed Reference Type https://support.apple.com/kb/HT212824 No Types Assigned https://support.apple.com/kb/HT212824 Third Party Advisory Changed Reference Type https://www.debian.org/security/2021/dsa-4975 No Types Assigned https://www.debian.org/security/2021/dsa-4975 Mailing List, Third Party Advisory Changed Reference Type https://www.debian.org/security/2021/dsa-4976 No Types Assigned https://www.debian.org/security/2021/dsa-4976 Mailing List, Third Party Advisory -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Apple Inc. https://support.apple.com/en-us/HT212804 [No types assigned] Added Reference Apple Inc. https://support.apple.com/en-us/HT212807 [No types assigned] Added Reference Apple Inc. http://seclists.org/fulldisclosure/2021/Sep/27 [No types assigned] Added Reference Apple Inc. http://seclists.org/fulldisclosure/2021/Sep/25 [No types assigned] Added Reference Apple Inc. http://seclists.org/fulldisclosure/2021/Sep/29 [No types assigned] Added Reference Apple Inc. http://www.openwall.com/lists/oss-security/2021/09/20/1 [No types assigned] Added Reference Apple Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/ [No types assigned] Added Reference Apple Inc. http://seclists.org/fulldisclosure/2021/Sep/38 [No types assigned] Added Reference Apple Inc. http://seclists.org/fulldisclosure/2021/Sep/39 [No types assigned] Added Reference Apple Inc. https://www.debian.org/security/2021/dsa-4975 [No types assigned] Added Reference Apple Inc. https://www.debian.org/security/2021/dsa-4976 [No types assigned] Added Reference Apple Inc. https://support.apple.com/kb/HT212824 [No types assigned] Added Reference Apple Inc. http://seclists.org/fulldisclosure/2021/Sep/50 [No types assigned] Added Reference Apple Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/ [No types assigned] Added Reference Apple Inc. http://www.openwall.com/lists/oss-security/2021/10/26/9 [No types assigned] Added Reference Apple Inc. http://www.openwall.com/lists/oss-security/2021/10/27/1 [No types assigned] Added Reference Apple Inc. http://www.openwall.com/lists/oss-security/2021/10/27/2 [No types assigned] Added Reference Apple Inc. http://www.openwall.com/lists/oss-security/2021/10/27/4 [No types assigned] Removed Reference MITRE https://support.apple.com/en-us/HT212807 Removed Reference MITRE https://support.apple.com/en-us/HT212804 Removed Reference MITRE http://seclists.org/fulldisclosure/2021/Sep/25 Removed Reference MITRE http://seclists.org/fulldisclosure/2021/Sep/27 Removed Reference MITRE http://seclists.org/fulldisclosure/2021/Sep/29 Removed Reference MITRE http://www.openwall.com/lists/oss-security/2021/09/20/1 Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/ Removed Reference MITRE http://seclists.org/fulldisclosure/2021/Sep/39 Removed Reference MITRE http://seclists.org/fulldisclosure/2021/Sep/38 Removed Reference MITRE https://www.debian.org/security/2021/dsa-4976 Removed Reference MITRE https://www.debian.org/security/2021/dsa-4975 Removed Reference MITRE https://support.apple.com/kb/HT212824 Removed Reference MITRE http://seclists.org/fulldisclosure/2021/Sep/50 Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/ Removed Reference MITRE http://www.openwall.com/lists/oss-security/2021/10/26/9 Removed Reference MITRE http://www.openwall.com/lists/oss-security/2021/10/27/1 Removed Reference MITRE http://www.openwall.com/lists/oss-security/2021/10/27/2 Removed Reference MITRE http://www.openwall.com/lists/oss-security/2021/10/27/4 -
CVE Source Update by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Source MITRE Apple Inc. -
Modified Analysis by [email protected]
Dec. 03, 2021
Action Type Old Value New Value Changed Reference Type http://seclists.org/fulldisclosure/2021/Sep/25 No Types Assigned http://seclists.org/fulldisclosure/2021/Sep/25 Mailing List, Third Party Advisory Changed Reference Type http://seclists.org/fulldisclosure/2021/Sep/27 No Types Assigned http://seclists.org/fulldisclosure/2021/Sep/27 Mailing List, Third Party Advisory Changed Reference Type http://seclists.org/fulldisclosure/2021/Sep/29 No Types Assigned http://seclists.org/fulldisclosure/2021/Sep/29 Mailing List, Third Party Advisory Changed Reference Type http://seclists.org/fulldisclosure/2021/Sep/38 No Types Assigned http://seclists.org/fulldisclosure/2021/Sep/38 Mailing List, Third Party Advisory Changed Reference Type http://seclists.org/fulldisclosure/2021/Sep/39 No Types Assigned http://seclists.org/fulldisclosure/2021/Sep/39 Mailing List, Third Party Advisory Changed Reference Type http://seclists.org/fulldisclosure/2021/Sep/50 No Types Assigned http://seclists.org/fulldisclosure/2021/Sep/50 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/09/20/1 No Types Assigned http://www.openwall.com/lists/oss-security/2021/09/20/1 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/10/26/9 No Types Assigned http://www.openwall.com/lists/oss-security/2021/10/26/9 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/10/27/1 No Types Assigned http://www.openwall.com/lists/oss-security/2021/10/27/1 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/10/27/2 No Types Assigned http://www.openwall.com/lists/oss-security/2021/10/27/2 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/10/27/4 No Types Assigned http://www.openwall.com/lists/oss-security/2021/10/27/4 Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/ Mailing List, Third Party Advisory Changed Reference Type https://support.apple.com/kb/HT212824 No Types Assigned https://support.apple.com/kb/HT212824 Third Party Advisory Changed Reference Type https://www.debian.org/security/2021/dsa-4975 No Types Assigned https://www.debian.org/security/2021/dsa-4975 Third Party Advisory Changed Reference Type https://www.debian.org/security/2021/dsa-4976 No Types Assigned https://www.debian.org/security/2021/dsa-4976 Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 14.8 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 14.8 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions up to (excluding) 11.6 OR *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions from (including) 13.1 up to (excluding) 14.8 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 12.5.5 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions from (including) 13.0 up to (excluding) 14.8 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions up to (excluding) 11.6 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 27, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/10/27/4 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 27, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/10/27/2 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 27, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/10/27/1 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 26, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/10/26/9 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 04, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/ [No Types Assigned] -
CVE Modified by [email protected]
Sep. 24, 2021
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2021/Sep/50 [No Types Assigned] -
CVE Modified by [email protected]
Sep. 23, 2021
Action Type Old Value New Value Added Reference https://support.apple.com/kb/HT212824 [No Types Assigned] -
CVE Modified by [email protected]
Sep. 23, 2021
Action Type Old Value New Value Added Reference https://www.debian.org/security/2021/dsa-4976 [No Types Assigned] Added Reference https://www.debian.org/security/2021/dsa-4975 [No Types Assigned] -
CVE Modified by [email protected]
Sep. 22, 2021
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2021/Sep/39 [No Types Assigned] Added Reference http://seclists.org/fulldisclosure/2021/Sep/38 [No Types Assigned] -
CVE Modified by [email protected]
Sep. 21, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/ [No Types Assigned] -
CVE Modified by [email protected]
Sep. 20, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/09/20/1 [No Types Assigned] -
CVE Modified by [email protected]
Sep. 17, 2021
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2021/Sep/25 [No Types Assigned] Added Reference http://seclists.org/fulldisclosure/2021/Sep/27 [No Types Assigned] Added Reference http://seclists.org/fulldisclosure/2021/Sep/29 [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 15, 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/HT212804 No Types Assigned https://support.apple.com/en-us/HT212804 Release Notes, Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212807 No Types Assigned https://support.apple.com/en-us/HT212807 Release Notes, Vendor Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 14.8 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 14.8 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions up to (excluding) 11.6 -
CVE Modified by [email protected]
Sep. 14, 2021
Action Type Old Value New Value Changed Description ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by the CVE program. Notes: none. A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited. Added Reference https://support.apple.com/en-us/HT212807 [No Types Assigned] Added Reference https://support.apple.com/en-us/HT212804 [No Types Assigned] -
CVE Unrejected by [email protected]
Sep. 14, 2021
Action Type Old Value New Value -
CVE Rejected by [email protected]
Aug. 24, 2021
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-30858
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-2021-30858
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.72 }} -0.24%
score
0.80771
percentile