CVE-2015-7701

NameCVE-2015-7701
DescriptionMemory leak in the CRYPTO_ASSOC 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 (memory consumption).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-335-1, DSA-3388-1
NVD severityhigh (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ntp (PTS)wheezy1:4.2.6.p5+dfsg-2+deb7u6fixed
wheezy (security)1:4.2.6.p5+dfsg-2+deb7u7fixed
jessie (security), jessie1:4.2.6.p5+dfsg-7+deb8u2fixed
stretch1:4.2.8p10+dfsg-3+deb9u1fixed
buster, sid1:4.2.8p10+dfsg-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ntpsource(unstable)1:4.2.8p4+dfsg-1high
ntpsourcejessie1:4.2.6.p5+dfsg-7+deb8u1highDSA-3388-1
ntpsourcesqueeze1:4.2.6.p2+dfsg-1+deb6u4highDLA-335-1
ntpsourcewheezy1:4.2.6.p5+dfsg-2+deb7u6highDSA-3388-1

Notes

http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_Security_Vulner
https://github.com/ntp-project/ntp/commit/d7cd5e186034340402f1393e0813c7d2b14ea6ca
https://github.com/ntp-project/ntp/commit/79604d925e4477247eee202155215e7865293809

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