Stack Protection Error in Arm Compiler by Arm
CVE-2020-24658

7.8HIGH

Key Information:

Vendor

Arm
Status
Arm Compiler
Vendor
CVE Published:
24 December 2020

What is CVE-2020-24658?

The stack protection feature in Arm Compiler 5 versions through 5.06u6 is flawed, as it fails to adequately safeguard against stack-based buffer overflows. This vulnerability arises when the system writes both a corruption-guarding value and a reference value to the stack. If both values are compromised simultaneously—due to specific conditions stemming from buffer overflows and underflows—then the intended protection mechanism may malfunction, allowing attackers to exploit the vulnerability and manipulate the stack. This scenario highlights critical risks in systems utilizing these versions of Arm Compiler.

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References

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

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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