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    openSUSE: 2020:1056-1: important: LibVNCServer

    Date
    335
    Posted By
    An update that fixes 10 vulnerabilities is now available.
       openSUSE Security Update: Security update for LibVNCServer
    ______________________________________________________________________________
    
    Announcement ID:    openSUSE-SU-2020:1056-1
    Rating:             important
    References:         #1173477 #1173691 #1173694 #1173700 #1173701 
                        #1173743 #1173874 #1173875 #1173876 #1173880 
                        
    Cross-References:   CVE-2017-18922 CVE-2018-21247 CVE-2019-20839
                        CVE-2019-20840 CVE-2020-14397 CVE-2020-14398
                        CVE-2020-14399 CVE-2020-14400 CVE-2020-14401
                        CVE-2020-14402
    Affected Products:
                        openSUSE Leap 15.2
    ______________________________________________________________________________
    
       An update that fixes 10 vulnerabilities is now available.
    
    Description:
    
       This update for LibVNCServer fixes the following issues:
    
       - security update
       - added patches fix CVE-2018-21247 [bsc#1173874], uninitialized memory
         contents are vulnerable to Information leak
         + LibVNCServer-CVE-2018-21247.patch fix CVE-2019-20839 [bsc#1173875],
           buffer overflow in ConnectClientToUnixSock()
         + LibVNCServer-CVE-2019-20839.patch fix CVE-2019-20840 [bsc#1173876],
           unaligned accesses in hybiReadAndDecode can lead to denial of service
         + LibVNCServer-CVE-2019-20840.patch fix CVE-2020-14398 [bsc#1173880],
           improperly closed TCP connection causes an infinite loop in
           libvncclient/sockets.c
         + LibVNCServer-CVE-2020-14398.patch fix CVE-2020-14397 [bsc#1173700],
           NULL pointer dereference in libvncserver/rfbregion.c
         + LibVNCServer-CVE-2020-14397.patch fix CVE-2020-14399 [bsc#1173743],
           Byte-aligned data is accessed through uint32_t pointers in
           libvncclient/rfbproto.c.
         + LibVNCServer-CVE-2020-14399.patch fix CVE-2020-14400 [bsc#1173691],
           Byte-aligned data is accessed through uint16_t pointers in
           libvncserver/translate.c.
         + LibVNCServer-CVE-2020-14400.patch fix CVE-2020-14401 [bsc#1173694],
           potential integer overflows in libvncserver/scale.c
         + LibVNCServer-CVE-2020-14401.patch fix CVE-2020-14402 [bsc#1173701],
           out-of-bounds access via encodings.
         + LibVNCServer-CVE-2020-14402,14403,14404.patch fix CVE-2017-18922
           [bsc#1173477], preauth buffer overwrite
    
       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 15.2:
    
          zypper in -t patch openSUSE-2020-1056=1
    
    
    
    Package List:
    
       - openSUSE Leap 15.2 (i586 x86_64):
    
          LibVNCServer-debugsource-0.9.10-lp152.9.4.2
          LibVNCServer-devel-0.9.10-lp152.9.4.2
          libvncclient0-0.9.10-lp152.9.4.2
          libvncclient0-debuginfo-0.9.10-lp152.9.4.2
          libvncserver0-0.9.10-lp152.9.4.2
          libvncserver0-debuginfo-0.9.10-lp152.9.4.2
    
    
    References:
    
       https://www.suse.com/security/cve/CVE-2017-18922.html
       https://www.suse.com/security/cve/CVE-2018-21247.html
       https://www.suse.com/security/cve/CVE-2019-20839.html
       https://www.suse.com/security/cve/CVE-2019-20840.html
       https://www.suse.com/security/cve/CVE-2020-14397.html
       https://www.suse.com/security/cve/CVE-2020-14398.html
       https://www.suse.com/security/cve/CVE-2020-14399.html
       https://www.suse.com/security/cve/CVE-2020-14400.html
       https://www.suse.com/security/cve/CVE-2020-14401.html
       https://www.suse.com/security/cve/CVE-2020-14402.html
       https://bugzilla.suse.com/1173477
       https://bugzilla.suse.com/1173691
       https://bugzilla.suse.com/1173694
       https://bugzilla.suse.com/1173700
       https://bugzilla.suse.com/1173701
       https://bugzilla.suse.com/1173743
       https://bugzilla.suse.com/1173874
       https://bugzilla.suse.com/1173875
       https://bugzilla.suse.com/1173876
       https://bugzilla.suse.com/1173880
    
    -- 
    

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