CVE-2015-7848

NameCVE-2015-7848
DescriptionAn integer overflow can occur in NTP-dev.4.3.70 leading to an out-of-bounds memory copy operation when processing a specially crafted private mode packet. The crafted packet needs to have the correct message authentication code and a valid timestamp. When processed by the NTP daemon, it leads to an immediate crash.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ntp (PTS)jessie (security), jessie1:4.2.6.p5+dfsg-7+deb8u2fixed
stretch1:4.2.8p10+dfsg-3+deb9u2fixed
buster1:4.2.8p12+dfsg-4fixed
bullseye, sid1:4.2.8p13+dfsg-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ntpsource(unstable)1:4.2.8p4+dfsg-1
ntpsourcejessie(not affected)
ntpsourcesqueeze(not affected)
ntpsourcewheezy(not affected)

Notes

[jessie] - ntp <not-affected> (Bug introduced in 4.2.7p131)
[wheezy] - ntp <not-affected> (Bug introduced in 4.2.7p131)
[squeeze] - ntp <not-affected> (Bug introduced in 4.2.7p131)
http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_Security_Vulner
https://github.com/ntp-project/ntp/commit/c04c3d3d940dfe1a53132925c4f51aef017d2e0f

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