CVE-2021-40531
Apple Sketch Before 75 Unquoted Service Path Local Privilege Escalation
Description
Sketch before 75 allows library feeds to be used to bypass file quarantine. Files are automatically downloaded and opened, without the com.apple.quarantine extended attribute. This results in remote code execution, as demonstrated by CommandString in a terminal profile to Terminal.app.
INFO
Published Date :
Sept. 6, 2021, 9:15 p.m.
Last Modified :
Nov. 21, 2024, 6:24 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-40531 has a 2 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-2021-40531.
| URL | Resource |
|---|---|
| https://jonpalmisc.com/2021/11/22/cve-2021-40531 | Exploit Third Party Advisory |
| https://www.sketch.com/updates/#version-75 | Patch Release Notes Vendor Advisory |
| https://jonpalmisc.com/2021/11/22/cve-2021-40531 | Exploit Third Party Advisory |
| https://www.sketch.com/updates/#version-75 | Patch 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).
None
Quarantine bypass and RCE vulnerability in Sketch (proof-of-concept)
cve sketch macos
HTML
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-40531 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-40531 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://jonpalmisc.com/2021/11/22/cve-2021-40531 Added Reference https://www.sketch.com/updates/#version-75 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Apr. 25, 2022
Action Type Old Value New Value Removed CWE NIST NVD-CWE-noinfo Added CWE NIST CWE-434 Changed CPE Configuration OR *cpe:2.3:a:sketch:sketch:*:*:*:*:*:*:*:* versions up to (excluding) 75 AND OR *cpe:2.3:a:sketch:sketch:*:*:*:*:*:*:*:* versions up to (excluding) 75 OR cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jan. 02, 2022
Action Type Old Value New Value Changed Description An issue discovered in sketch before version 75,that allows for library feeds to be used to bypass file quarantine which results in remote code execution. Sketch before 75 allows library feeds to be used to bypass file quarantine. Files are automatically downloaded and opened, without the com.apple.quarantine extended attribute. This results in remote code execution, as demonstrated by CommandString in a terminal profile to Terminal.app. -
Modified Analysis by [email protected]
Nov. 28, 2021
Action Type Old Value New Value Changed Reference Type https://jonpalmisc.com/2021/11/22/cve-2021-40531 No Types Assigned https://jonpalmisc.com/2021/11/22/cve-2021-40531 Exploit, Third Party Advisory -
CVE Modified by [email protected]
Nov. 26, 2021
Action Type Old Value New Value Changed Description Sketch before 75 mishandles external library feeds. An issue discovered in sketch before version 75,that allows for library feeds to be used to bypass file quarantine which results in remote code execution. -
CVE Modified by [email protected]
Nov. 22, 2021
Action Type Old Value New Value Added Reference https://jonpalmisc.com/2021/11/22/cve-2021-40531 [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 10, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://www.sketch.com/updates/#version-75 No Types Assigned https://www.sketch.com/updates/#version-75 Patch, Release Notes, Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:sketch:sketch:*:*:*:*:*:*:*:* versions up to (excluding) 75
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-40531 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-2021-40531
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.51 }} -0.54%
score
0.76426
percentile