PT-2020-17773 · Apple · Apple Macos

Andy Grant · Published 2020-05-28 · Updated 2021-07-21 · CVE-2020-3882

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions macOS versions prior to 10.15.5

Description The issue allows for the exfiltration of user information when a maliciously crafted calendar invitation is imported. This can occur through one-click file disclosure via malicious calendar events.

Recommendations For versions prior to 10.15.5, update to macOS Catalina 10.15.5 to resolve the issue. As a temporary workaround, consider avoiding the import of calendar invitations from untrusted sources until the update is applied.

Exploit

Fix

Related Identifiers

CVE-2020-3882

Affected Products

Apple Macos

References · 8

• 🔥 https://research.nccgroup.com/2020/05/28/exploring-macos-calendar-alerts-part-2-exfiltrating-data-cve-2020-3882 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-3882 · Security Note
• https://support.apple.com/HT211170 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-3882 · Vendor Advisory
• https://t.me/defcon_news/48297 · Telegram Post
• https://t.me/canyoupwnme/6459 · Telegram Post
• https://t.me/cybersecuritytechnologies/1194 · Telegram Post
• https://t.me/rnetsec/12443 · Telegram Post