openSUSE Security Update: Security update for gnutls ______________________________________________________________________________ Announcement ID: openSUSE-SU-2018:2854-1 Rating: moderate References: #1047002 #1105437 #1105459 #1105460 Cross-References: CVE-2017-10790 CVE-2018-10844 CVE-2018-10845 CVE-2018-10846 Affected Products: openSUSE Leap 42.3 ______________________________________________________________________________ An update that fixes four vulnerabilities is now available. Description: This update for gnutls fixes the following issues: Security issues fixed: - Improved mitigations against Lucky 13 class of attacks - CVE-2018-10846: "Just in Time" PRIME + PROBE cache-based side channel attack can lead to plaintext recovery (bsc#1105460) - CVE-2018-10845: HMAC-SHA-384 vulnerable to Lucky thirteen attack due to use of wrong constant (bsc#1105459) - CVE-2018-10844: HMAC-SHA-256 vulnerable to Lucky thirteen attack due to not enough dummy function calls (bsc#1105437) - CVE-2017-10790: The _asn1_check_identifier function in Libtasn1 caused a NULL pointer dereference and crash (bsc#1047002) This update was imported from the SUSE:SLE-12-SP3:Update update project. Patch Instructions: To install this openSUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - openSUSE Leap 42.3: zypper in -t patch openSUSE-2018-1049=1 Package List: - openSUSE Leap 42.3 (i586 x86_64): gnutls-3.3.27-2.3.1 gnutls-debuginfo-3.3.27-2.3.1 gnutls-debugsource-3.3.27-2.3.1 libgnutls-devel-3.3.27-2.3.1 libgnutls-openssl-devel-3.3.27-2.3.1 libgnutls-openssl27-3.3.27-2.3.1 libgnutls-openssl27-debuginfo-3.3.27-2.3.1 libgnutls28-3.3.27-2.3.1 libgnutls28-debuginfo-3.3.27-2.3.1 libgnutlsxx-devel-3.3.27-2.3.1 libgnutlsxx28-3.3.27-2.3.1 libgnutlsxx28-debuginfo-3.3.27-2.3.1 - openSUSE Leap 42.3 (x86_64): libgnutls-devel-32bit-3.3.27-2.3.1 libgnutls28-32bit-3.3.27-2.3.1 libgnutls28-debuginfo-32bit-3.3.27-2.3.1 References: https://www.suse.com/security/cve/CVE-2017-10790.html https://www.suse.com/security/cve/CVE-2018-10844.html https://www.suse.com/security/cve/CVE-2018-10845.html https://www.suse.com/security/cve/CVE-2018-10846.html https://bugzilla.suse.com/1047002 https://bugzilla.suse.com/1105437 https://bugzilla.suse.com/1105459 https://bugzilla.suse.com/1105460