CVE-2021-40531

CVSS V2 High 7.5 CVSS V3 Critical 9.8
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.
Overview
  • CVE ID
  • CVE-2021-40531
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-09-06T21:15:07
  • Last Modified Date
  • 2022-04-25T17:44:38
Weakness Enumerations
CWE URL
CWE-434 http://cwe.mitre.org/data/definitions/434.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:sketch:sketch:*:*:*:*:*:*:*:* 1 OR 75
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-40531
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40531
History
Created Old Value New Value Data Type Notes
2022-05-10 06:26:51 Added to TrackCVE
2022-12-05 09:40:26 2021-09-06T21:15Z 2021-09-06T21:15:07 CVE Published Date updated
2022-12-05 09:40:26 2022-04-25T17:44:38 CVE Modified Date updated
2022-12-05 09:40:26 Analyzed Vulnerability Status updated