openSUSE: 2020:0934-1: moderate: ntp

    Date 06 Jul 2020
    Posted By LinuxSecurity Advisories
    An update that solves four vulnerabilities and has two fixes is now available.
       openSUSE Security Update: Security update for ntp
    Announcement ID:    openSUSE-SU-2020:0934-1
    Rating:             moderate
    References:         #1125401 #1169740 #1171355 #1172651 #1173334 
    Cross-References:   CVE-2018-8956 CVE-2020-11868 CVE-2020-13817
    Affected Products:
                        openSUSE Leap 15.1
       An update that solves four vulnerabilities and has two
       fixes is now available.
       This update for ntp fixes the following issues:
       ntp was updated to 4.2.8p15
       - CVE-2020-11868: Fixed an issue which a server mode packet with spoofed
         source address frequently send to the client ntpd could have caused
         denial of service (bsc#1169740).
       - CVE-2018-8956: Fixed an issue which could have allowed remote attackers
         to prevent a broadcast client from synchronizing its clock with a
         broadcast NTP server via spoofed mode 3 and mode 5 packets (bsc#1171355).
       - CVE-2020-13817: Fixed an issue which an off-path attacker with the
         ability to query time from victim's ntpd instance could have modified
         the victim's clock by a limited amount (bsc#1172651).
       - CVE-2020-15025: Fixed an issue which remote attacker could have caused
         denial of service by consuming the memory when a CMAC key was used
         andassociated with a CMAC algorithm in the ntp.keys (bsc#1173334).
       - Removed an OpenSSL version warning (bsc#992038 and bsc#1125401).
       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 15.1:
          zypper in -t patch openSUSE-2020-934=1
    Package List:
       - openSUSE Leap 15.1 (i586 x86_64):

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