6.9
CVSSv2

CVE-2020-15309

Published: 21/08/2020 Updated: 16/11/2022
CVSS v2 Base Score: 6.9 | Impact Score: 10 | Exploitability Score: 3.4
CVSS v3 Base Score: 7 | Impact Score: 5.9 | Exploitability Score: 1
VMScore: 614
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Vulnerability Summary

An issue exists in wolfSSL prior to 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).

Vulnerability Trend

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wolfssl wolfssl

Vendor Advisories

Debian Bug report logs - #969663 wolfssl: CVE-2020-12457 CVE-2020-15309 CVE-2020-24585 CVE-2020-24613 Package: src:wolfssl; Maintainer for src:wolfssl is Felix Lechner <felixlechner@lease-upcom>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sun, 6 Sep 2020 19:15:02 UTC Severity: grave Tags: security ...