Siemens RUGGEDCOM ROX-based Devices NTP Vulnerabilities

Vulnerabilities 4

• Unscored —
  CVE-2015-5300

  The panic_gate check in NTP before 4.2.8p5 is only re-enabled after the first change to the system clock that was great…

  ntp ntp Debian Ubuntu
  Jul 21, 2017
• Unscored —
  CVE-2015-7704 EPSS 11%

  The ntpd client in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service …

  ntp ntp Debian Ubuntu
  Aug 7, 2017
• Unscored —
  CVE-2015-7855 Public exploit EPSS 31%

  The decodenetnum function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause…

  ntp ntp Debian Ubuntu
  Aug 7, 2017
• Unscored —
  CVE-2015-7871 Public exploit EPSS 82%

  Crypto-NAK packets in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to bypass authe…

  ntp ntp Debian Ubuntu
  Aug 7, 2017

Revision history

1. 2025-06-09 #2

   Advisory converted into a CSAF

2. 2015-09-24 #1

   Initial Publication

References

• ICS Advisory ICSA-15-356-01 - Web Version
  https://www.cisa.gov/news-events/ics-advisories/icsa-15-356-01
• Recommended Practices
  https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
• Recommended Practices
  https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
• Recommended Practices
  https://www.cisa.gov/topics/industrial-control-systems
• Recommended Practices
  https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
• Recommended Practices
  https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
• Recommended Practices
  https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
• Recommended Practices
  https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf
• Recommended Practices
  https://www.cisa.gov/uscert/ncas/tips/ST04-014