CVE-2020-9870 — Improper Input Validation in Apple Macos

CWE-20 — Improper Input Validation8 documents6 sources
Severity
8.8HIGHNVD
EPSS
0.6%
top 31.70%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Apple IOSApple MacosApple Tvos+3 more
Timeline
PublishedOct 16
Latest updateMay 24

Description

A logic issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8. An attacker with memory write capability may be able to bypass pointer authentication codes and run arbitrary code.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages7 packages

▶CVEListV5apple/tvosunspecified — tvOS 13.4.8
▶NVDapple/tvos< 13.4.8
▶CVEListV5apple/macosunspecified — macOS Catalina 10.15.6
▶NVDapple/ipados< 13.6
▶NVDapple/mac_os_x< 10.15.6

🔴Vulnerability Details

6
GHSA
GHSA-899c-g9fr-8ccx: A logic issue was addressed with improved validation↗2022-05-24
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CVEList
CVE-2020-9870: A logic issue was addressed with improved validation↗2020-10-16
▶
Project0
JITSploitation II: Getting Read/Write - Project Zero↗2020-09-01
▶
Project0
JITSploitation III: Subverting Control Flow - Project Zero↗2020-09-01
▶
Project0
JITSploitation I: A JIT Bug - Project Zero↗2020-09-01
▶

📋Vendor Advisories

1
Apple
CVE-2020-9870: macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra↗2020-07-15
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CVE-2020-9870 — Improper Input Validation in Apple | cvebase