CVE-2021-30851

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-30851
A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution.

8.8 /10

CVSS v3 : 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://www.openwall.com/lists/oss-security/2021/10/31/1
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/
https://support.apple.com/en-us/HT212814
https://support.apple.com/en-us/HT212815
https://support.apple.com/en-us/HT212816
https://support.apple.com/en-us/HT212819
https://support.apple.com/kb/HT212869
https://www.debian.org/security/2021/dsa-4995
https://www.debian.org/security/2021/dsa-4996
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:12.0.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

Configuration 2 (hide)

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

Configuration 3 (hide)

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

07 Nov 2023, 03:33

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/', 'name': 'FEDORA-2021-131360fa9a', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/', 'name': 'FEDORA-2021-483d896d1d', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/ -
References (MISC) https://support.apple.com/en-us/HT212814 - Vendor Advisory () https://support.apple.com/en-us/HT212814 -
References (MISC) https://support.apple.com/en-us/HT212819 - Vendor Advisory () https://support.apple.com/en-us/HT212819 -
References (MLIST) http://www.openwall.com/lists/oss-security/2021/10/31/1 - Mailing List, Third Party Advisory () http://www.openwall.com/lists/oss-security/2021/10/31/1 -
References (MISC) https://support.apple.com/en-us/HT212816 - Vendor Advisory () https://support.apple.com/en-us/HT212816 -
References (CONFIRM) https://support.apple.com/kb/HT212869 - Vendor Advisory () https://support.apple.com/kb/HT212869 -
References (DEBIAN) https://www.debian.org/security/2021/dsa-4996 - Third Party Advisory () https://www.debian.org/security/2021/dsa-4996 -
References (DEBIAN) https://www.debian.org/security/2021/dsa-4995 - Third Party Advisory () https://www.debian.org/security/2021/dsa-4995 -
References (MISC) https://support.apple.com/en-us/HT212815 - Vendor Advisory () https://support.apple.com/en-us/HT212815 -

09 Jan 2023, 16:41

Type Values Removed Values Added
First Time Apple ipados
CPE cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*

23 Nov 2021, 21:44

Type Values Removed Values Added
CPE cpe:2.3:o:apple:macos:12.0.1:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
References (MLIST) http://www.openwall.com/lists/oss-security/2021/10/31/1 - (MLIST) http://www.openwall.com/lists/oss-security/2021/10/31/1 - Mailing List, Third Party Advisory
References (DEBIAN) https://www.debian.org/security/2021/dsa-4995 - (DEBIAN) https://www.debian.org/security/2021/dsa-4995 - Third Party Advisory
References (CONFIRM) https://support.apple.com/kb/HT212869 - (CONFIRM) https://support.apple.com/kb/HT212869 - Vendor Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/ - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/ - Mailing List, Third Party Advisory
References (DEBIAN) https://www.debian.org/security/2021/dsa-4996 - (DEBIAN) https://www.debian.org/security/2021/dsa-4996 - Third Party Advisory

19 Nov 2021, 13:15

Type Values Removed Values Added
References
  • (CONFIRM) https://support.apple.com/kb/HT212869 -

17 Nov 2021, 22:18

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/10/31/1 -
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4995 -
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/ -
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/ -
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4996 -

10 Nov 2021, 01:16

Type Values Removed Values Added
References
  • {'url': 'https://www.debian.org/security/2021/dsa-4995', 'name': 'DSA-4995', 'tags': ['Vendor Advisory'], 'refsource': 'DEBIAN'}
  • {'url': 'http://www.openwall.com/lists/oss-security/2021/10/31/1', 'name': '[oss-security] 20211031 Re: WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'MLIST'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/', 'name': 'FEDORA-2021-483d896d1d', 'tags': [], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/', 'name': 'FEDORA-2021-131360fa9a', 'tags': [], 'refsource': 'FEDORA'}
  • {'url': 'https://www.debian.org/security/2021/dsa-4996', 'name': 'DSA-4996', 'tags': ['Vendor Advisory'], 'refsource': 'DEBIAN'}

07 Nov 2021, 03:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H6MGXCX7P5AHWOQ6IRT477UKT7IS4DAD/ -
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ON5SDVVPVPCAGFPW2GHYATZVZYLPW2L4/ -

01 Nov 2021, 12:49

Type Values Removed Values Added
CPE cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 6.8
v3 : 8.8
References (DEBIAN) https://www.debian.org/security/2021/dsa-4995 - (DEBIAN) https://www.debian.org/security/2021/dsa-4995 - Vendor Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/10/31/1 - (MLIST) http://www.openwall.com/lists/oss-security/2021/10/31/1 - Mailing List, Third Party Advisory
References (MISC) https://support.apple.com/en-us/HT212814 - (MISC) https://support.apple.com/en-us/HT212814 - Vendor Advisory
References (MISC) https://support.apple.com/en-us/HT212815 - (MISC) https://support.apple.com/en-us/HT212815 - Vendor Advisory
References (MISC) https://support.apple.com/en-us/HT212816 - (MISC) https://support.apple.com/en-us/HT212816 - Vendor Advisory
References (DEBIAN) https://www.debian.org/security/2021/dsa-4996 - (DEBIAN) https://www.debian.org/security/2021/dsa-4996 - Vendor Advisory
References (MISC) https://support.apple.com/en-us/HT212819 - (MISC) https://support.apple.com/en-us/HT212819 - Vendor Advisory
CWE CWE-787

31 Oct 2021, 18:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/10/31/1 -

29 Oct 2021, 20:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4995 -
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4996 -

28 Oct 2021, 19:15

Type Values Removed Values Added
Summary ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by the CVE program. Notes: none. A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution.
References
  • (MISC) https://support.apple.com/en-us/HT212814 -
  • (MISC) https://support.apple.com/en-us/HT212819 -
  • (MISC) https://support.apple.com/en-us/HT212815 -
  • (MISC) https://support.apple.com/en-us/HT212816 -

24 Aug 2021, 19:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-08-24 19:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-30851

Mitre link : CVE-2021-30851

CVE.ORG link : CVE-2021-30851

JSON object : View

Products Affected

apple

  • safari
  • macos
  • tvos
  • watchos
  • iphone_os
  • ipados

debian

  • debian_linux

fedoraproject

  • fedora
CWE
CWE-787

Out-of-bounds Write