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List:       opensuse-security-announce
Subject:    [security-announce] openSUSE-SU-2018:2854-1: moderate: Security update for gnutls
From:       opensuse-security () opensuse ! org
Date:       2018-09-25 13:11:36
Message-ID: 20180925131136.7B30BFCD2 () maintenance ! suse ! de
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   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

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