Out-of-bounds Write Vulnerability in Apple iOS and iPadOS Products
CVE-2020-9818

8.8HIGH

Key Information:

Vendor
Apple
Status
iOS
iOS-1
Watch OS
Vendor
CVE Published:
9 June 2020

Badges

👾 Exploit Exists🦅 CISA Reported

Summary

The vulnerability involves an out-of-bounds write condition that was resolved through enhanced bounds checking mechanisms. By processing a specially crafted mail message, attackers could potentially trigger unexpected modifications in memory or prompt the application to terminate unexpectedly. Users are advised to update to the latest versions, including iOS 13.5, iPadOS 13.5, and watchOS 6.2.5, to mitigate these risks.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

iOS < unspecified

iOS-1 < unspecified

watchOS < unspecified

References

https://support.apple.com/HT211168
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https://support.apple.com/HT211175
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https://support.apple.com/HT211169
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CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.