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CVE-2015-7691

Public on 2015-10-27
Modified on 2015-10-27
Description
It was found that the fix for CVE-2014-9750 was incomplete: three issues were found in the value length checks in NTP's ntp_crypto.c, where a packet with particular autokey operations that contained malicious data was not always being completely validated. A remote attacker could use a specially crafted NTP packet to crash ntpd.
Severity
Medium severity
Medium
CVSS v3 Base Score
4.0
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 ntp 2015-10-27 ALAS-2015-607 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 4.0 AV:N/AC:H/Au:N/C:P/I:N/A:P
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H