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CVE-2020-15309

Published: 21 August 2020

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).

Priority

Low

CVSS 3 base score: 7.0

Status

Package Release Status
wolfssl
Launchpad, Ubuntu, Debian
Upstream
Released (v4.5.0-stable)
Ubuntu 21.10 (Impish Indri) Not vulnerable
(4.5.0+dfsg-2)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(4.5.0+dfsg-2)
Ubuntu 20.04 LTS (Focal Fossa) Needed

Ubuntu 18.04 LTS (Bionic Beaver) Needed

Ubuntu 16.04 ESM (Xenial Xerus) Ignored
(end of standard support, was needed)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist