PT-2020-16834 · Apple · Apple Macos

Published 2020-11-12 · Updated 2022-10-12 · CVE-2020-27896

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions macOS versions prior to 11.0.1

Description A path handling issue was addressed with improved validation, allowing a remote attacker to potentially modify the file system.

Recommendations For versions prior to 11.0.1, update to macOS Big Sur 11.0.1 to resolve the issue. As a temporary workaround, consider restricting access to sensitive file system areas until the update can be applied.

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2020-27896

Affected Products

Apple Macos

References · 12

• https://nvd.nist.gov/vuln/detail/CVE-2020-27896 · Security Note
• https://support.apple.com/kb/HT212011 · Vendor Advisory
• https://support.apple.com/en-us/HT211931 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-27896 · Vendor Advisory
• https://t.me/cvenotify/6787 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27896 · Note
• https://support.apple.com/en-us/102846 · Note
• https://t.me/cvenotify/7122 · Telegram Post
• https://support.apple.com/en-us/HT212011 · Note
• https://support.apple.com/en-us/103052 · Note
• http://seclists.org/fulldisclosure/2020/Dec/32 · Note
• http://seclists.org/fulldisclosure/2020/Dec/26 · Note