openSUSE Security Update: Security update for openssl-1_1
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Announcement ID:    openSUSE-SU-2018:3013-1
Rating:             moderate
References:         #1097158 #1101470 
Cross-References:   CVE-2018-0732
Affected Products:
                    openSUSE Leap 15.0
______________________________________________________________________________

   An update that solves one vulnerability and has one errata
   is now available.

Description:

   This update for openssl-1_1 to 1.1.0i fixes the following issues:

   These security issues were fixed:

   - CVE-2018-0732: During key agreement in a TLS handshake using a DH(E)
     based ciphersuite a malicious server could have sent a very large prime
     value to the client. This caused the client to spend an unreasonably
     long period of time generating a key for this prime resulting in a hang
     until the client has finished. This could be exploited in a Denial Of
     Service attack (bsc#1097158)
   - Make problematic ECDSA sign addition length-invariant
   - Add blinding to ECDSA and DSA signatures to protect against side channel
     attacks

   These non-security issues were fixed:

   - When unlocking a pass phrase protected PEM file or PKCS#8 container, we
     now allow empty (zero character) pass phrases.
   - Certificate time validation (X509_cmp_time) enforces stricter compliance
     with RFC 5280. Fractional seconds and timezone offsets are no longer
     allowed.
   - Fixed a text canonicalisation bug in CMS
   - Add openssl(cli) Provide so the packages that require the openssl binary
     can require this instead of the new openssl meta package (bsc#1101470)

   This update was imported from the SUSE:SLE-15: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 15.0:

      zypper in -t patch openSUSE-2018-1109=1



Package List:

   - openSUSE Leap 15.0 (i586 x86_64):

      libopenssl-1_1-devel-1.1.0i-lp150.3.9.1
      libopenssl1_1-1.1.0i-lp150.3.9.1
      libopenssl1_1-debuginfo-1.1.0i-lp150.3.9.1
      libopenssl1_1-hmac-1.1.0i-lp150.3.9.1
      openssl-1_1-1.1.0i-lp150.3.9.1
      openssl-1_1-debuginfo-1.1.0i-lp150.3.9.1
      openssl-1_1-debugsource-1.1.0i-lp150.3.9.1

   - openSUSE Leap 15.0 (noarch):

      libopenssl-devel-1.1.0i-lp150.2.3.1
      openssl-1.1.0i-lp150.2.3.1
      openssl-1_1-doc-1.1.0i-lp150.3.9.1

   - openSUSE Leap 15.0 (x86_64):

      libopenssl-1_1-devel-32bit-1.1.0i-lp150.3.9.1
      libopenssl1_1-32bit-1.1.0i-lp150.3.9.1
      libopenssl1_1-32bit-debuginfo-1.1.0i-lp150.3.9.1
      libopenssl1_1-hmac-32bit-1.1.0i-lp150.3.9.1


References:

   https://www.suse.com/security/cve/CVE-2018-0732.html
   https://bugzilla.suse.com/1097158
   https://bugzilla.suse.com/1101470

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