Denial of Service vulnerability in SNTP prior to version 4.2.7p366
CVE-2015-5219

7.5HIGH

Key Information:

Vendor
Fedoraproject
Status
Fedora
Vendor
CVE Published:
21 July 2017

Summary

The ULOGTOD function in SNTP prior to version 4.2.7p366 contains a flaw in type conversions from precision values to doubles. This vulnerability can be exploited by remote attackers who send specially crafted NTP packets, leading to an infinite loop and subsequent denial of service, disrupting the normal functioning of the server.

References

http://aix.software.ibm.com/aix/efixes/security/ntp_advis...
x_refsource_CONFIRM
https://www-01.ibm.com/support/docview.wss?uid=isg3T1024157
x_refsource_CONFIRM
https://github.com/ntp-project/ntp/commit/5f295cd05c3c136...
x_refsource_CONFIRM

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.