CVE Vulnerability

CVE-2020-15309

An issue was discovered in wolfSSL before 4.5.0, when single precision is not employed. Local attackers can conduct a cache-timing attack against public key operations. These attackers may already have obtained sensitive information if the affected system has been used for private key operations (e.g., signing with a private key).

6.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.4 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

7 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/wolfSSL/wolfssl/releases/tag/v4.5.0-stable Third Party Advisory
https://arxiv.org/abs/2008.12188 Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*
Information

Published : 2020-08-21 02:15

Updated : 2022-11-16 01:50

NVD link : CVE-2020-15309

Mitre link : CVE-2020-15309

Products Affected
No products.
CWE
CWE-362