CVE-2021-30858

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-30858
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.

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
http://seclists.org/fulldisclosure/2021/Sep/25 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/25 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/27 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/27 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/29 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/29 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/38 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/38 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/39 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/39 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/50 Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2021/Sep/50 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/09/20/1 Mailing List
http://www.openwall.com/lists/oss-security/2021/09/20/1 Mailing List
http://www.openwall.com/lists/oss-security/2021/10/26/9 Mailing List
http://www.openwall.com/lists/oss-security/2021/10/26/9 Mailing List
http://www.openwall.com/lists/oss-security/2021/10/27/1 Mailing List
http://www.openwall.com/lists/oss-security/2021/10/27/1 Mailing List
http://www.openwall.com/lists/oss-security/2021/10/27/2 Mailing List
http://www.openwall.com/lists/oss-security/2021/10/27/2 Mailing List
http://www.openwall.com/lists/oss-security/2021/10/27/4 Mailing List
http://www.openwall.com/lists/oss-security/2021/10/27/4 Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/ Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/ Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/ Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/ Release Notes
https://support.apple.com/en-us/HT212804 Third Party Advisory
https://support.apple.com/en-us/HT212804 Third Party Advisory
https://support.apple.com/en-us/HT212807 Third Party Advisory
https://support.apple.com/en-us/HT212807 Third Party Advisory
https://support.apple.com/kb/HT212824 Third Party Advisory
https://support.apple.com/kb/HT212824 Third Party Advisory
https://www.debian.org/security/2021/dsa-4975 Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-4975 Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-4976 Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-4976 Mailing List Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
History

29 Jul 2024, 18:30

Type Values Removed Values Added
References () http://seclists.org/fulldisclosure/2021/Sep/29 - () http://seclists.org/fulldisclosure/2021/Sep/29 - Mailing List, Third Party Advisory
References () https://www.debian.org/security/2021/dsa-4976 - () https://www.debian.org/security/2021/dsa-4976 - Mailing List, Third Party Advisory
References () http://www.openwall.com/lists/oss-security/2021/10/26/9 - () http://www.openwall.com/lists/oss-security/2021/10/26/9 - Mailing List
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/ - Release Notes
References () http://seclists.org/fulldisclosure/2021/Sep/50 - () http://seclists.org/fulldisclosure/2021/Sep/50 - Mailing List, Third Party Advisory
References () https://support.apple.com/en-us/HT212807 - () https://support.apple.com/en-us/HT212807 - Third Party Advisory
References () http://seclists.org/fulldisclosure/2021/Sep/39 - () http://seclists.org/fulldisclosure/2021/Sep/39 - Mailing List, Third Party Advisory
References () http://www.openwall.com/lists/oss-security/2021/10/27/2 - () http://www.openwall.com/lists/oss-security/2021/10/27/2 - Mailing List
References () http://www.openwall.com/lists/oss-security/2021/10/27/4 - () http://www.openwall.com/lists/oss-security/2021/10/27/4 - Mailing List
References () http://www.openwall.com/lists/oss-security/2021/10/27/1 - () http://www.openwall.com/lists/oss-security/2021/10/27/1 - Mailing List
References () http://www.openwall.com/lists/oss-security/2021/09/20/1 - () http://www.openwall.com/lists/oss-security/2021/09/20/1 - Mailing List
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/ - Release Notes
References () https://support.apple.com/kb/HT212824 - () https://support.apple.com/kb/HT212824 - Third Party Advisory
References () http://seclists.org/fulldisclosure/2021/Sep/38 - () http://seclists.org/fulldisclosure/2021/Sep/38 - Mailing List, Third Party Advisory
References () http://seclists.org/fulldisclosure/2021/Sep/25 - () http://seclists.org/fulldisclosure/2021/Sep/25 - Mailing List, Third Party Advisory
References () https://www.debian.org/security/2021/dsa-4975 - () https://www.debian.org/security/2021/dsa-4975 - Mailing List, Third Party Advisory
References () http://seclists.org/fulldisclosure/2021/Sep/27 - () http://seclists.org/fulldisclosure/2021/Sep/27 - Mailing List, Third Party Advisory
References () https://support.apple.com/en-us/HT212804 - () https://support.apple.com/en-us/HT212804 - Third Party Advisory

07 Nov 2023, 03:33

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/', 'name': 'FEDORA-2021-edf6957b7d', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/', 'name': 'FEDORA-2021-c00e45b6c0', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO6DMTHZR57JDBOXPSNR2MKDMCRWV265/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XYNV7ASK4LQVAUMJXNXBS3Z7RVDQ2N3W/ -
References (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/29 - Mailing List, Third Party Advisory () http://seclists.org/fulldisclosure/2021/Sep/29 -
References (DEBIAN) https://www.debian.org/security/2021/dsa-4976 - Third Party Advisory () https://www.debian.org/security/2021/dsa-4976 -
References (MLIST) http://www.openwall.com/lists/oss-security/2021/10/26/9 - Mailing List, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/10/26/9 -
References (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/50 - Mailing List, Third Party Advisory () http://seclists.org/fulldisclosure/2021/Sep/50 -
References (MISC) https://support.apple.com/en-us/HT212807 - Release Notes, Vendor Advisory () https://support.apple.com/en-us/HT212807 -
References (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/39 - Mailing List, Third Party Advisory () http://seclists.org/fulldisclosure/2021/Sep/39 -
References (MLIST) http://www.openwall.com/lists/oss-security/2021/10/27/2 - Mailing List, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/10/27/2 -
References (MLIST) http://www.openwall.com/lists/oss-security/2021/10/27/4 - Mailing List, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/10/27/4 -
References (MLIST) http://www.openwall.com/lists/oss-security/2021/10/27/1 - Mailing List, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/10/27/1 -
References (MLIST) http://www.openwall.com/lists/oss-security/2021/09/20/1 - Mailing List, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/09/20/1 -
References (CONFIRM) https://support.apple.com/kb/HT212824 - Third Party Advisory () https://support.apple.com/kb/HT212824 -
References (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/38 - Mailing List, Third Party Advisory () http://seclists.org/fulldisclosure/2021/Sep/38 -
References (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/25 - Mailing List, Third Party Advisory () http://seclists.org/fulldisclosure/2021/Sep/25 -
References (DEBIAN) https://www.debian.org/security/2021/dsa-4975 - Third Party Advisory () https://www.debian.org/security/2021/dsa-4975 -
References (FULLDISC) http://seclists.org/fulldisclosure/2021/Sep/27 - Mailing List, Third Party Advisory () http://seclists.org/fulldisclosure/2021/Sep/27 -
References (MISC) https://support.apple.com/en-us/HT212804 - Release Notes, Vendor Advisory () https://support.apple.com/en-us/HT212804 -
Information

Published : 2021-08-24 19:15

Updated : 2025-04-02 16:58

NVD link : CVE-2021-30858

Mitre link : CVE-2021-30858

JSON object : View

Products Affected

debian

  • debian_linux

fedoraproject

  • fedora

apple

  • ipados
  • macos
  • iphone_os
CWE
CWE-416

Use After Free