openSUSE Security Update: Avoid ntp being used as a DDoS amplifier ______________________________________________________________________________
Announcement ID: openSUSE-SU-2014:1149-1 Rating: moderate References: #857195 Cross-References: CVE-2013-5211 Affected Products: openSUSE 11.4 ______________________________________________________________________________
An update that fixes one vulnerability is now available.
restrict query, configuration, modification access from world by default. Avoids that ntp can be used as a DDoS amplifier. The monlist feature in ntp_request.c in ntpd in NTP before 4.2.7p26 allows remote attackers to cause a denial of service (traffic amplification) via forged (1) REQ_MON_GETLIST or (2) REQ_MON_GETLIST_1 requests, as exploited in the wild in December 2013.
To install this openSUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product:
- openSUSE 11.4:
zypper in -t patch 2014-84
To bring your system up-to-date, use "zypper patch".
- openSUSE 11.4 (i586 x86_64):
ntp-4.2.6p3-6.24.1 ntp-debuginfo-4.2.6p3-6.24.1 ntp-debugsource-4.2.6p3-6.24.1 ntp-doc-4.2.6p3-6.24.1