openSUSE Security Update : libressl (openSUSE-2017-560)

This script is Copyright (C) 2017 Tenable Network Security, Inc.

Synopsis :

The remote openSUSE host is missing a security update.

Description :

This update for libressl to version 2.5.1 fixes the following issues :

These security issues were fixed :

- CVE-2016-0702: Prevent side channel attack on modular
exponentiation (boo#968050).

- CVE-2016-7056: Avoid a side-channel cache-timing attack
that can leak the ECDSA private keys when signing

These non-security issues were fixed :

- Detect zero-length encrypted session data early

- Curve25519 Key Exchange support.

- Support for alternate chains for certificate

- Added EVP interface for MD5+SHA1 hashes

- Fixed DTLS client failures when the server sends a
certificate request.

- Corrected handling of padding when upgrading an SSLv2
challenge into an SSLv3/TLS connection.

- Allowed protocols and ciphers to be set on a TLS config
object in libtls.

See also :

Solution :

Update the affected libressl packages.

Risk factor :

Low / CVSS Base Score : 1.9

Family: SuSE Local Security Checks

Nessus Plugin ID: 100042 ()

Bugtraq ID:

CVE ID: CVE-2016-0702

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