ntp: ntpd in ntp 4.2.8p4 before 4.2.8p11 drops bad packets before updating the "received" timestamp, which allows remote a...
CVE-2018-7184 is fixed in 3 products on 1 platform, first by ntp 1:4.2.8p10+dfsg-5ubuntu7.1, released March 7, 2018. It is not reported as exploited. Patch Radar priority: Routine.
ntpd in ntp 4.2.8p4 before 4.2.8p11 drops bad packets before updating the "received" timestamp, which allows remote attackers to cause a denial of service (disruption) by sending a packet with a zero-origin timestamp causing the association to reset and setting the contents of the packet as the most recent timestamp. This issue is a result of an incomplete fix for CVE-2015-7704.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| ntp · Ubuntu 18.04.6 LTS (bionic) | 1:4.2.8p10+dfsg-5ubuntu7.1 | ntp 1:4.2.8p10+dfsg-5ubuntu7.1 | Mar 7, 2018 |
| ntpdate · Ubuntu 18.04.6 LTS (bionic) | 1:4.2.8p10+dfsg-5ubuntu7.1 | ntpdate 1:4.2.8p10+dfsg-5ubuntu7.1 | Mar 7, 2018 |
| sntp · Ubuntu 18.04.6 LTS (bionic) | 1:4.2.8p10+dfsg-5ubuntu7.1 | sntp 1:4.2.8p10+dfsg-5ubuntu7.1 | Mar 7, 2018 |
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