Candidate: CVE-2021-3336 PublicDate: 2021-01-29 05:15:00 UTC References: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3336 https://github.com/wolfSSL/wolfssl/pull/3676 Description: DoTls13CertificateVerify in tls13.c in wolfSSL before 4.7.0 does not cease processing for certain anomalous peer behavior (sending an ED22519, ED448, ECC, or RSA signature without the corresponding certificate). The client side is affected because man-in-the-middle attackers can impersonate TLS 1.3 servers. Ubuntu-Description: Notes: Mitigation: Bugs: Priority: medium Discovered-by: Assigned-to: CVSS: nvd: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H [8.1 HIGH] Patches_wolfssl: upstream: https://github.com/wolfSSL/wolfssl/pull/3676/files upstream_wolfssl: needs-triage precise/esm_wolfssl: DNE trusty_wolfssl: ignored (out of standard support) trusty/esm_wolfssl: DNE xenial_wolfssl: ignored (end of standard support, was needed) bionic_wolfssl: needed focal_wolfssl: needed groovy_wolfssl: ignored (reached end-of-life) hirsute_wolfssl: ignored (reached end-of-life) impish_wolfssl: needed jammy_wolfssl: needed devel_wolfssl: needed