CVE-2015-7973

Description

NTP before 4.2.8p6 and 4.3.x before 4.3.90, when configured in broadcast mode, allows man-in-the-middle attackers to conduct replay attacks by sniffing the network.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 7.31% Top 10%
Vendor Advisory cisco.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory FreeBSD.org Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory ntp.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3096-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html vendor advisory broken link
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_us third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html vendor advisory broken link
http://support.ntp.org/bin/view/Main/NtpBug2935 vendor advisory
http://www.securitytracker.com/id/1034782 third party advisory vdb entry
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html vendor advisory broken link
https://www.kb.cert.org/vuls/id/718152 third party advisory us government resource
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html vendor advisory broken link
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_us third party advisory
https://security.netapp.com/advisory/ntap-20171031-0001/ third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html vendor advisory broken link
http://www.securityfocus.com/bid/81963 third party advisory vdb entry
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html vendor advisory broken link
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html vendor advisory broken link
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc third party advisory vendor advisory
https://bto.bluecoat.com/security-advisory/sa113 third party advisory
http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html vendor advisory broken link
https://security.gentoo.org/glsa/201607-15 third party advisory vendor advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf third party advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2015-7973?
CVE-2015-7973 has been scored as a medium severity vulnerability.
How to fix CVE-2015-7973?
To fix CVE-2015-7973, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-7973 being actively exploited in the wild?
It is possible that CVE-2015-7973 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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