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List:       suse-security-announce
Subject:    [security-announce] openSUSE-SU-2018:3801-1: moderate: Security update for openssh
From:       opensuse-security () opensuse ! org
Date:       2018-11-16 23:13:43
Message-ID: 20181116231343.B2B1BFCA4 () maintenance ! suse ! de
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   openSUSE Security Update: Security update for openssh
______________________________________________________________________________

Announcement ID:    openSUSE-SU-2018:3801-1
Rating:             moderate
References:         #1081947 #1091396 #1105010 #1106163 #964336 
                    
Cross-References:   CVE-2018-15473 CVE-2018-15919
Affected Products:
                    openSUSE Leap 15.0
______________________________________________________________________________

   An update that solves two vulnerabilities and has three
   fixes is now available.

Description:

   This update for openssh fixes the following issues:

   - CVE-2018-15919: Remotely observable behaviour in auth-gss2.c in OpenSSH
     could be used by remote attackers to detect existence of users on a
     target system when GSS2 is in use. OpenSSH developers do not want to
     treat such a username enumeration (or "oracle") as a vulnerability.
     (bsc#1106163)
   - CVE-2018-15473: OpenSSH was prone to a user existance oracle
     vulnerability due to not delaying bailout for an invalid authenticating
     user until after the packet containing the request has been fully
     parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.
     (bsc#1105010)

   The following non-security issues were fixed:

   - Stop leaking File descriptors (bsc#964336)
   - sftp-client.c returns wrong error code upon failure (bsc#1091396)
   - added pam_keyinit to pam configuration file (bsc#1081947)


   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-2018-1419=1



Package List:

   - openSUSE Leap 15.0 (i586 x86_64):

      openssh-7.6p1-lp150.8.3.1
      openssh-cavs-7.6p1-lp150.8.3.1
      openssh-cavs-debuginfo-7.6p1-lp150.8.3.1
      openssh-debuginfo-7.6p1-lp150.8.3.1
      openssh-debugsource-7.6p1-lp150.8.3.1
      openssh-fips-7.6p1-lp150.8.3.1
      openssh-helpers-7.6p1-lp150.8.3.1
      openssh-helpers-debuginfo-7.6p1-lp150.8.3.1

   - openSUSE Leap 15.0 (x86_64):

      openssh-askpass-gnome-7.6p1-lp150.8.3.1
      openssh-askpass-gnome-debuginfo-7.6p1-lp150.8.3.1


References:

   https://www.suse.com/security/cve/CVE-2018-15473.html
   https://www.suse.com/security/cve/CVE-2018-15919.html
   https://bugzilla.suse.com/1081947
   https://bugzilla.suse.com/1091396
   https://bugzilla.suse.com/1105010
   https://bugzilla.suse.com/1106163
   https://bugzilla.suse.com/964336

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