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Test ID:1.3.6.1.4.1.25623.1.1.4.2020.14415.1
Category:SuSE Local Security Checks
Title:SUSE: Security Advisory (SUSE-SU-2020:14415-1)
Summary:The remote host is missing an update for the 'ntp' package(s) announced via the SUSE-SU-2020:14415-1 advisory.
Description:Summary:
The remote host is missing an update for the 'ntp' package(s) announced via the SUSE-SU-2020:14415-1 advisory.

Vulnerability Insight:
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).

Affected Software/OS:
'ntp' package(s) on SUSE Linux Enterprise Server 11-SP4, SUSE Linux Enterprise Debuginfo 11-SP4

Solution:
Please install the updated package(s).

CVSS Score:
5.8

CVSS Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2018-8956
http://www.ntp.org/
https://arxiv.org/abs/2005.01783
https://nikhiltripathi.in/NTP_attack.pdf
https://tools.ietf.org/html/rfc5905
SuSE Security Announcement: openSUSE-SU-2020:0934 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00005.html
SuSE Security Announcement: openSUSE-SU-2020:1007 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00044.html
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