CVE-2015-7979 in Ubuntu

CVE-2015-7979

Priority

Description

NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause
a denial of service (client-server association tear down) by sending
broadcast packets with invalid authentication to a broadcast client.

References

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7979
http://support.ntp.org/bin/view/Main/SecurityNotice#January_2016_NTP_4_2_8p6_Securit
http://www.talosintel.com/reports/TALOS-2016-0076/
https://ubuntu.com/security/notices/USN-3096-1

Bugs

http://support.ntp.org/bin/view/Main/NtpBug2942

Notes

mdeslaur

fedora has an alternate fix
http://lists.ntp.org/pipermail/hackers/2016-January/007416.html

Package

Source: ntp (LP Ubuntu Debian)

Upstream:	released (4.2.8p6)
Ubuntu 16.04 ESM:	released (1:4.2.8p4+dfsg-3ubuntu5.3)
Ubuntu 14.04 ESM:	released (1:4.2.6.p5+dfsg-3ubuntu2.14.04.10)
Ubuntu 20.04 FIPS Compliant:	not-affected (1:4.2.8p4+dfsg-3ubuntu6)

Patches:

Upstream:	https://github.com/ntp-project/ntp/commit/fe46889f7baa75fc8e6c0fcde87706d396ce1461
Vendor:	http://pkgs.fedoraproject.org/cgit/rpms/ntp.git/tree/ntp-4.2.6p5-cve-2015-7979.patch

More Information

Updated: 2022-04-13 12:06:49 UTC (commit f411bd370d482ef4385c4e751d121a4055fbc009)