PT-2020-16844 · Apple · Apple Macos

Pattern_F + 1 · Published 2020-11-12 · Updated 2021-07-21 · CVE-2020-27906

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

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

Description Multiple integer overflows were addressed with improved input validation. A remote attacker may be able to cause unexpected application termination or heap corruption.

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 potentially vulnerable services until the update is applied.

Fix

Integer Overflow

Memory Corruption

Weakness Enumeration

CWE-190

CWE-787

Related Identifiers

CVE-2020-27906

Affected Products

Apple Macos

References · 14

• https://osv.dev/vulnerability/CVE-2020-27906 · Vendor Advisory
• https://support.apple.com/kb/HT212011 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27906 · Security Note
• https://support.apple.com/en-us/HT211931 · Vendor Advisory
• https://t.me/cvenotify/11085 · Telegram Post
• https://t.me/cvenotify/6955 · Telegram Post
• https://support.apple.com/en-us/102846 · Note
• https://support.apple.com/en-us/HT212011 · Note
• http://seclists.org/fulldisclosure/2020/Dec/32 · Note
• https://support.apple.com/en-us/103052 · Note
• https://t.me/cibsecurity/17298 · Telegram Post
• https://t.me/cvenotify/6813 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27906 · Note
• http://seclists.org/fulldisclosure/2020/Dec/26 · Note