openSUSE Security Update: Security update for ntp ______________________________________________________________________________
Announcement ID: openSUSE-SU-2020:0934-1 Rating: moderate References: #1125401 #1169740 #1171355 #1172651 #1173334 #992038 Cross-References: CVE-2018-8956 CVE-2020-11868 CVE-2020-13817 CVE-2020-15025 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.
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
- openSUSE Leap 15.1 (i586 x86_64):
ntp-4.2.8p15-lp22.214.171.124 ntp-debuginfo-4.2.8p15-lp126.96.36.199 ntp-debugsource-4.2.8p15-lp188.8.131.52 ntp-doc-4.2.8p15-lp184.108.40.206
https://www.suse.com/security/cve/CVE-2018-8956.html https://www.suse.com/security/cve/CVE-2020-11868.html https://www.suse.com/security/cve/CVE-2020-13817.html https://www.suse.com/security/cve/CVE-2020-15025.html https://bugzilla.suse.com/1125401 https://bugzilla.suse.com/1169740 https://bugzilla.suse.com/1171355 https://bugzilla.suse.com/1172651 https://bugzilla.suse.com/1173334 https://bugzilla.suse.com/992038