The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2016-2583 advisory.

    - add disable monitor to default ntp.conf [CVE-2013-5211]
    - don't allow spoofed packet to enable symmetric interleaved mode       (CVE-2016-1548)
    - check mode of new source in config command (CVE-2016-2518)
    - make MAC check resilient against timing attack (CVE-2016-1550)
    - fix crash with invalid logconfig command (CVE-2015-5194)
    - fix crash when referencing disabled statistic type (CVE-2015-5195)
    - don't hang in sntp with crafted reply (CVE-2015-5219)
    - don't crash with crafted autokey packet (CVE-2015-7691, CVE-2015-7692,       CVE-2015-7702)
    - fix memory leak with autokey (CVE-2015-7701)
    - don't allow setting driftfile and pidfile remotely (CVE-2015-7703)
    - don't crash in ntpq with crafted packet (CVE-2015-7852)
    - check key ID in packets authenticated with symmetric key (CVE-2015-7974)
    - fix crash with reslist command (CVE-2015-7977, CVE-2015-7978)
    - don't allow spoofed packets to demobilize associations (CVE-2015-7979,       CVE-2016-1547)
    - don't accept server/peer packets with zero origin timestamp (CVE-2015-8138)
    - fix infinite loop in ntpq/ntpdc (CVE-2015-8158)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

Analytics

Oracle Linux 7 : ntp (ELSA-2016-2583)

high Nessus Plugin ID 94705

Version 2.17

Version 2.16

Version 2.17 Aug 31, 2025, 9:16 AM CVE (set "CVE" coverage to "CVE-2015-5194,CVE-2015-5195,CVE-2015-5219,CVE-2015-7691,CVE-2015-7692,CVE-2015-7701,CVE-2015-7702,CVE-2015-7703,CVE-2015-7852,CVE-2015-7974,CVE-2015-7977,CVE-2015-7978,CVE-2015-7979,CVE-2015-8158") CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Detection (updated detection logic) Exploit attributes ("Exploit available" set to "True") Exploit attributes ("Exploitability ease" changed from "No known exploits are available" to "Exploits are available") Plugin Feed: 202508310916
Version 2.16 Oct 22, 2024, 9:14 PM CVSS metrics ("CVSSv2 score" set to 4.3) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N") CVSS metrics ("Cvssv4 score" set to 0.0) CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:POC/RL:OF/RC:C") CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:P/RL:O/RC:C") CVSSv2 score source (set to "CVE-2015-7703") CVSSv2 severity (based on None, severity decreased from "High" to "Low") CVSSv3 score source (set to "CVE-2015-7974") Detection (updated detection logic) Plugin metadata Plugin Feed: 202410222114