CVE-2020-10003 - Improper Link Resolution Before File Access ('Link Following')

Severity

78%

Complexity

18%

Confidentiality

98%

An issue existed within the path validation logic for symlinks. This issue was addressed with improved path sanitization. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. A local attacker may be able to elevate their privileges.

CVSS 3.1 Base Score 7.8. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 4.6. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P).

Overview

First reported 4 years ago

2020-12-08 20:15:00

Last updated 4 years ago

2020-12-15 20:15:00

Affected Software

Apple Mac OS X

References

https://support.apple.com/en-us/HT211928

https://support.apple.com/en-us/HT211929

https://support.apple.com/en-us/HT211930

https://support.apple.com/en-us/HT211931

https://support.apple.com/en-us/HT211928

Vendor Advisory

https://support.apple.com/en-us/HT211929

Vendor Advisory

https://support.apple.com/en-us/HT211930

Vendor Advisory

https://support.apple.com/en-us/HT211931

Vendor Advisory

20201215 APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1

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