CVE Vulnerabilities

CVE-2021-30738

Published: Sep 08, 2021 | Modified: Sep 22, 2021
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu

A malicious application may be able to overwrite arbitrary files. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-004 Mojave. An issue with path validation logic for hardlinks was addressed with improved path sanitization.

Affected Software

Name Vendor Start Version End Version
Mac_os_x Apple 10.14.0 (including) 10.14.5 (including)
Mac_os_x Apple 10.14.6 (including) 10.14.6 (including)
Mac_os_x Apple 10.14.6-security_update_2019-001 (including) 10.14.6-security_update_2019-001 (including)
Mac_os_x Apple 10.14.6-security_update_2019-002 (including) 10.14.6-security_update_2019-002 (including)
Mac_os_x Apple 10.14.6-security_update_2019-004 (including) 10.14.6-security_update_2019-004 (including)
Mac_os_x Apple 10.14.6-security_update_2019-005 (including) 10.14.6-security_update_2019-005 (including)
Mac_os_x Apple 10.14.6-security_update_2019-006 (including) 10.14.6-security_update_2019-006 (including)
Mac_os_x Apple 10.14.6-security_update_2019-007 (including) 10.14.6-security_update_2019-007 (including)
Mac_os_x Apple 10.14.6-security_update_2020-001 (including) 10.14.6-security_update_2020-001 (including)
Mac_os_x Apple 10.14.6-security_update_2020-002 (including) 10.14.6-security_update_2020-002 (including)
Mac_os_x Apple 10.14.6-security_update_2020-003 (including) 10.14.6-security_update_2020-003 (including)
Mac_os_x Apple 10.14.6-security_update_2020-004 (including) 10.14.6-security_update_2020-004 (including)
Mac_os_x Apple 10.14.6-security_update_2020-005 (including) 10.14.6-security_update_2020-005 (including)
Mac_os_x Apple 10.14.6-security_update_2020-006 (including) 10.14.6-security_update_2020-006 (including)
Mac_os_x Apple 10.14.6-security_update_2020-007 (including) 10.14.6-security_update_2020-007 (including)
Mac_os_x Apple 10.14.6-security_update_2021-001 (including) 10.14.6-security_update_2021-001 (including)
Mac_os_x Apple 10.14.6-security_update_2021-002 (including) 10.14.6-security_update_2021-002 (including)
Mac_os_x Apple 10.14.6-security_update_2021-003 (including) 10.14.6-security_update_2021-003 (including)
Mac_os_x Apple 10.14.6-supplemental_update (including) 10.14.6-supplemental_update (including)
Mac_os_x Apple 10.14.6-supplemental_update_2 (including) 10.14.6-supplemental_update_2 (including)
Macos Apple 11.0.1 (including) 11.4 (excluding)

References