Cache Timing Vulnerability in wolfSSL Prior to Version 4.5.0
CVE-2020-15309

7HIGH

Key Information:

Vendor

Wolfssl

Status
Wolfssl
Vendor
CVE Published:
21 August 2020

What is CVE-2020-15309?

A cache timing vulnerability exists in wolfSSL prior to version 4.5.0, which can be exploited by local attackers to launch cache-timing attacks against public key operations. If the affected system has been involved in private key operations, such as signing, attackers may be able to obtain sensitive information. This vulnerability highlights the importance of using single precision for enhanced security in cryptographic operations.

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References

https://github.com/wolfSSL/wolfssl/releases/tag/v4.5.0-st...
x_refsource_CONFIRM
https://arxiv.org/abs/2008.12188
x_refsource_MISC

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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