CVE-2021-30759

CVSS V2 Medium 6.8 CVSS V3 High 7.8
Description
A stack overflow was addressed with improved input validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. Processing a maliciously crafted font file may lead to arbitrary code execution.
Overview
  • CVE ID
  • CVE-2021-30759
  • Assigner
  • product-security@apple.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-09-08T14:15:10
  • Last Modified Date
  • 2021-09-14T20:20:14
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* 1 OR 14.7
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 1 OR 14.7
cpe:2.3:o:apple:mac_os_x:10.14:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-003:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-004:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.6:supplemental_update:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 1 OR 11.0 11.5
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* 1 OR 14.7
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* 1 OR 7.6
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://support.apple.com/en-us/HT212604 Vendor Advisory
https://support.apple.com/en-us/HT212605 Vendor Advisory
https://support.apple.com/en-us/HT212602 Vendor Advisory
https://support.apple.com/en-us/HT212603 Vendor Advisory
https://support.apple.com/en-us/HT212600 Vendor Advisory
https://support.apple.com/en-us/HT212601 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-30759
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30759
History
Created Old Value New Value Data Type Notes
2022-05-10 16:05:17 Added to TrackCVE
2022-12-05 09:53:56 2021-09-08T14:15Z 2021-09-08T14:15:10 CVE Published Date updated
2022-12-05 09:53:56 2021-09-14T20:20:14 CVE Modified Date updated
2022-12-05 09:53:56 Analyzed Vulnerability Status updated