Speculative Execution Vulnerability in Arm Armv8-A Core Implementations
CVE-2020-13844

5.5MEDIUM

Key Information:

Vendor

Arm
Status
Cortex-a32 Firmware
Vendor
CVE Published:
8 June 2020

What is CVE-2020-13844?

The vulnerability arises from Arm Armv8-A core implementations, where speculative execution may lead to unauthorized disclosure of sensitive information. This occurs when an attacker with local user access can exploit the system through side-channel analysis resulting from straight-line speculation. The issue highlights the risks associated with certain control flow changes, prompting security concerns in environments utilizing affected implementations.

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References

https://developer.arm.com/support/arm-security-updates/sp...
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https://developer.arm.com/support/arm-security-updates/sp...
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https://developer.arm.com/support/arm-security-updates/sp...
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CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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