CVE-2021-30876
AppleScript Out-of-Bounds Readiễn
Description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Processing a maliciously crafted AppleScript binary may result in unexpected application termination or disclosure of process memory.
INFO
Published Date :
Aug. 24, 2021, 7:15 p.m.
Last Modified :
Nov. 7, 2023, 3:33 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.2
Exploitability Score :
1.8
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-2021-30876.
| URL | Resource |
|---|---|
| https://support.apple.com/en-us/HT212869 | |
| https://support.apple.com/en-us/HT212871 | |
| https://support.apple.com/en-us/HT212872 |
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-2021-30876 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-30876 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 -
CVE Source Update by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Source MITRE Apple Inc. -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Apple Inc. https://support.apple.com/en-us/HT212869 [No types assigned] Added Reference Apple Inc. https://support.apple.com/en-us/HT212871 [No types assigned] Added Reference Apple Inc. https://support.apple.com/en-us/HT212872 [No types assigned] Removed Reference MITRE https://support.apple.com/en-us/HT212869 Removed Reference MITRE https://support.apple.com/en-us/HT212871 Removed Reference MITRE https://support.apple.com/en-us/HT212872 -
Reanalysis by [email protected]
Nov. 01, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions from (including) 10.15 up to (including) 10.15.6 *cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:* *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 11.0 up to (excluding) 11.6.1 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 12.0 up to (excluding) 12.0.1 OR *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions from (including) 10.15 up to (including) 10.15.6 *cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-005:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:* *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 11.0 up to (excluding) 11.6.1 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 12.0 up to (excluding) 12.0.1 -
Initial Analysis by [email protected]
Nov. 01, 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:N/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H Changed Reference Type https://support.apple.com/en-us/HT212869 No Types Assigned https://support.apple.com/en-us/HT212869 Patch, Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212871 No Types Assigned https://support.apple.com/en-us/HT212871 Patch, Vendor Advisory Changed Reference Type https://support.apple.com/en-us/HT212872 No Types Assigned https://support.apple.com/en-us/HT212872 Patch, Vendor Advisory Added CWE NIST CWE-125 Added CPE Configuration OR *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions from (including) 10.15 up to (including) 10.15.6 *cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:* *cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:* *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 11.0 up to (excluding) 11.6.1 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 12.0 up to (excluding) 12.0.1 -
CVE Modified by [email protected]
Oct. 28, 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. An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Processing a maliciously crafted AppleScript binary may result in unexpected application termination or disclosure of process memory. Added Reference https://support.apple.com/en-us/HT212869 [No Types Assigned] Added Reference https://support.apple.com/en-us/HT212871 [No Types Assigned] Added Reference https://support.apple.com/en-us/HT212872 [No Types Assigned] -
CVE Unrejected by [email protected]
Oct. 28, 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-2021-30876 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-2021-30876
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} 0.00%
score
0.35115
percentile