The dsasignsetup function in crypto/dsa/dsa_ossl.c in OpenSSL through 1.0.2h does not properly ensure the use of constant-time operations, which makes it easier for local users to discover a DSA private key via a timing side-channel attack.
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "libssl1.0.0-udeb-dbgsym": "1.0.1f-1ubuntu2.20", "libssl-dev": "1.0.1f-1ubuntu2.20", "libssl1.0.0": "1.0.1f-1ubuntu2.20", "libssl-doc": "1.0.1f-1ubuntu2.20", "libcrypto1.0.0-udeb-dbgsym": "1.0.1f-1ubuntu2.20", "libssl1.0.0-dbg": "1.0.1f-1ubuntu2.20", "libssl-dev-dbgsym": "1.0.1f-1ubuntu2.20", "openssl": "1.0.1f-1ubuntu2.20", "openssl-dbgsym": "1.0.1f-1ubuntu2.20", "libssl1.0.0-udeb": "1.0.1f-1ubuntu2.20", "libssl1.0.0-dbgsym": "1.0.1f-1ubuntu2.20", "libcrypto1.0.0-udeb": "1.0.1f-1ubuntu2.20" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "libssl1.0.0-udeb-dbgsym": "1.0.2g-1ubuntu4.4", "libssl-dev": "1.0.2g-1ubuntu4.4", "libssl1.0.0": "1.0.2g-1ubuntu4.4", "libssl-doc": "1.0.2g-1ubuntu4.4", "libcrypto1.0.0-udeb-dbgsym": "1.0.2g-1ubuntu4.4", "libssl1.0.0-dbg": "1.0.2g-1ubuntu4.4", "libssl-dev-dbgsym": "1.0.2g-1ubuntu4.4", "openssl": "1.0.2g-1ubuntu4.4", "openssl-dbgsym": "1.0.2g-1ubuntu4.4", "libssl1.0.0-udeb": "1.0.2g-1ubuntu4.4", "libssl1.0.0-dbgsym": "1.0.2g-1ubuntu4.4", "libcrypto1.0.0-udeb": "1.0.2g-1ubuntu4.4" } ] }