CVE-2015-7691

NameCVE-2015-7691
DescriptionThe crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash) via crafted packets containing particular autokey operations. NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-335-1, DSA-3388-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ntp (PTS)jessie, jessie (lts)1:4.2.6.p5+dfsg-7+deb8u3fixed
stretch1:4.2.8p10+dfsg-3+deb9u2fixed
buster1:4.2.8p12+dfsg-4fixed
bullseye1:4.2.8p15+dfsg-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ntpsourcesqueeze1:4.2.6.p2+dfsg-1+deb6u4DLA-335-1
ntpsourcewheezy1:4.2.6.p5+dfsg-2+deb7u6DSA-3388-1
ntpsourcejessie1:4.2.6.p5+dfsg-7+deb8u1DSA-3388-1
ntpsource(unstable)1:4.2.8p4+dfsg-1

Notes

http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_Security_Vulner
Fixed upstream together with CVE-2015-7702

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