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

What is CVE-2015-5219?

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...
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https://www-01.ibm.com/support/docview.wss?uid=isg3T1024157
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https://github.com/ntp-project/ntp/commit/5f295cd05c3c136...
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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

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