Lucene search

K
nvd[email protected]NVD:CVE-2021-30789
HistorySep 08, 2021 - 2:15 p.m.

CVE-2021-30789

2021-09-0814:15:11
CWE-125
web.nvd.nist.gov
5
out-of-bounds read
input validation
arbitrary code execution
font file vulnerability
security update

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.001

Percentile

46.9%

An out-of-bounds read 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 2021-004 Catalina. Processing a maliciously crafted font file may lead to arbitrary code execution.

Affected configurations

Nvd
Node
appleiphone_osRange<14.7
OR
applemac_os_xRange10.1510.15.6
OR
applemac_os_xMatch10.15.7-
OR
applemac_os_xMatch10.15.7security_update_2020
OR
applemac_os_xMatch10.15.7security_update_2020-001
OR
applemac_os_xMatch10.15.7security_update_2020-005
OR
applemac_os_xMatch10.15.7security_update_2020-007
OR
applemac_os_xMatch10.15.7security_update_2021-001
OR
applemac_os_xMatch10.15.7security_update_2021-002
OR
applemac_os_xMatch10.15.7security_update_2021-003
OR
applemac_os_xMatch10.15.7supplemental_update
OR
applemacosRange<11.5
OR
applemacosRange11.011.5
OR
appletvosRange<14.7
OR
applewatchosRange<7.6

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.001

Percentile

46.9%