CVE-2015-8158

high-risk

Published 2017-01-30

The getresponse function in ntpq in NTP versions before 4.2.8p9 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (infinite loop) via crafted packets with incorrect values.

Do I need to act?

8.1% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.9/10 Medium

NETWORK / HIGH complexity

Affected Products (20)

Ntp

Affected Vendors

Ntp

References (22)

http://rhn.redhat.com/errata/RHSA-2016-2583.html

Vendor Advisory http://support.ntp.org/bin/view/Main/NtpBug2948

http://www.debian.org/security/2016/dsa-3629

Third Party Advisory http://www.securityfocus.com/bid/81814

http://www.securitytracker.com/id/1034782

https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na...

https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc

https://security.gentoo.org/glsa/201607-15

https://security.netapp.com/advisory/ntap-20171031-0001/

Third Party Advisory https://www.kb.cert.org/vuls/id/718152

http://rhn.redhat.com/errata/RHSA-2016-2583.html

Vendor Advisory http://support.ntp.org/bin/view/Main/NtpBug2948

http://www.debian.org/security/2016/dsa-3629

Third Party Advisory http://www.securityfocus.com/bid/81814

http://www.securitytracker.com/id/1034782

https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na...

https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc

https://security.gentoo.org/glsa/201607-15

and 2 more references

/ 100

high-risk

Severity 18/34 · Moderate

Exploitability 10/34 · Low

Exposure 29/34 · Critical