Security update for ntpSUSE Security Update: Security update for ntp
|References:||#1169740 #1171355 #1172651 #1173334|
|Cross-References:||CVE-2018-8956 CVE-2020-11868 CVE-2020-13817 CVE-2020-15025|
|Affected Products:|| |
An update that fixes four vulnerabilities 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).
To install this SUSE 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:
- SUSE Linux Enterprise Server 11-SP4-LTSS:
zypper in -t patch slessp4-ntp-14415=1
- SUSE Linux Enterprise Debuginfo 11-SP4:
zypper in -t patch dbgsp4-ntp-14415=1
- SUSE Linux Enterprise Server 11-SP4-LTSS (i586 ppc64 s390x x86_64):
- SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ppc64 s390x x86_64):