CVE-2015-8140
First published: Mon Jan 30 2017(Updated: )
The ntpq protocol in NTP before 4.2.8p7 allows remote attackers to conduct replay attacks by sniffing the network.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NTP | <=4.2.8 | |
| <=4.2.8 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
- http://support.ntp.org/bin/view/Main/NtpBug2947
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd
- http://www.securitytracker.com/id/1034782
- https://bto.bluecoat.com/security-advisory/sa113
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc
- https://security.gentoo.org/glsa/201607-15
- https://security.netapp.com/advisory/ntap-20200204-0003/
- https://www.kb.cert.org/vuls/id/718152
Frequently Asked Questions
What is the severity of CVE-2015-8140?
CVE-2015-8140 has a high severity rating due to the potential for remote replay attacks.
How do I fix CVE-2015-8140?
To fix CVE-2015-8140, upgrade NTP to version 4.2.8p8 or later to eliminate the vulnerability.
What systems are affected by CVE-2015-8140?
CVE-2015-8140 affects NTP versions prior to 4.2.8p8, specifically versions up to and including 4.2.8p7.
What type of attack is associated with CVE-2015-8140?
CVE-2015-8140 is associated with replay attacks, allowing attackers to resend previously captured NTP requests.
Can CVE-2015-8140 affect service availability?
Yes, CVE-2015-8140 can potentially disrupt service availability through unauthorized NTP manipulation.
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- version/ntp/4.2.8