Improper Authentication Affecting ntp package, versions <1:4.2.8p4+dfsg-1
Threat Intelligence
EPSS
97.02% (100th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN11-NTP-521054
- published 7 Aug 2017
- disclosed 7 Aug 2017
Introduced: 7 Aug 2017
CVE-2015-7871 Open this link in a new tabHow to fix?
Upgrade Debian:11 ntp to version 1:4.2.8p4+dfsg-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ntp package and not the ntp package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
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 authentication.
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
- http://www.debian.org/security/2015/dsa-3388
- https://security-tracker.debian.org/tracker/CVE-2015-7871
- https://security.gentoo.org/glsa/201604-03
- https://security.gentoo.org/glsa/201607-15
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839
- http://support.ntp.org/bin/view/Main/NtpBug2941
- https://security.netapp.com/advisory/ntap-20171004-0001/
- https://bugzilla.redhat.com/show_bug.cgi?id=1274265
- http://www.securityfocus.com/bid/77287
- http://www.securitytracker.com/id/1033951
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2015-7871
CVSS Scores
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