CVE-2018-1000520

Priority
Description
ARM mbedTLS version 2.7.0 and earlier contains a Ciphersuite Allows
Incorrectly Signed Certificates vulnerability in
mbedtls_ssl_get_verify_result() that can result in ECDSA-signed
certificates are accepted, when only RSA-signed ones should be.. This
attack appear to be exploitable via Peers negotiate a TLS-ECDH-RSA-*
ciphersuite. Any of the peers can then provide an ECDSA-signed certificate,
when only an RSA-signed one should be accepted..
Notes
Package
Upstream:needed
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):needed
Ubuntu 18.04 LTS (Bionic Beaver):needed
Ubuntu 19.10 (Eoan Ermine):needed
Ubuntu 20.04 (Focal Fossa):needed
More Information

Updated: 2020-04-24 03:45:43 UTC (commit d3f8a6ed481830fb100109a132bef581fc4176fe)