PT-2020-11281 · Apple · Gatekeeper+1

Filippo Cavallarin · Published 2020-10-27 · Updated 2020-11-04 · CVE-2019-8656

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 10.14.6 Security Update versions prior to 2019-004 High Sierra Security Update versions prior to 2019-004 Sierra

Description The issue allows an attacker to bypass Gatekeeper by extracting a zip file containing a symbolic link to an endpoint in an NFS mount that is attacker-controlled. This is achieved through files mounted through a network share.

Recommendations For macOS versions prior to 10.14.6, update to macOS Mojave 10.14.6. For Security Update versions prior to 2019-004 High Sierra, apply Security Update 2019-004 High Sierra. For Security Update versions prior to 2019-004 Sierra, apply Security Update 2019-004 Sierra.

Exploit

Fix

Related Identifiers

CVE-2019-8656

Affected Products

Gatekeeper

Apple Macos

References · 5

• 🔥 https://github.com/D00MFist/CVE-2019-8656 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-8656 · Security Note
• https://support.apple.com/en-us/HT210348 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-8656 · Vendor Advisory
• https://t.me/cvenotify/5113 · Telegram Post