CVE-2016-7429
Description
NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows remote attackers to cause a denial of service (prevent communication with a source) by sending a response for a source to an interface the source does not use.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-7429
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-7429.html
Vendor advisory: cve@mitre.org — http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities
Vendor advisory: cve@mitre.org — http://support.ntp.org/bin/view/Main/NtpBug3072
Vendor advisory: cve@mitre.org — http://nwtime.org/ntp428p9_release/
Vendor advisory: arch — https://security.archlinux.org/ASA-201611-28
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| arch | fixed | 4.2.8.p9-1 | |
| debian | bullseye | fixed | 1:4.2.8p9+dfsg-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| ntp | ntp | {"endIncluding":"4.2.8"} | |
References
- https://security.archlinux.org/ASA-201611-28
- http://nwtime.org/ntp428p9_release/
- http://rhn.redhat.com/errata/RHSA-2017-0252.html
- http://support.ntp.org/bin/view/Main/NtpBug3072
- http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.securityfocus.com/bid/94453
- http://www.securitytracker.com/id/1037354
- https://bto.bluecoat.com/security-advisory/sa139
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us
- https://www.kb.cert.org/vuls/id/633847
- https://www.suse.com/security/cve/CVE-2016-7429.html
- https://security-tracker.debian.org/tracker/CVE-2016-7429
CWEs
CWE-18
Verify integrity in audit chain (admin only). AS-IS.