CVE-2016-9566

NameCVE-2016-9566
Descriptionbase/logging.c in Nagios Core before 4.2.4 allows local users with access to an account in the nagios group to gain root privileges via a symlink attack on the log file. NOTE: this can be leveraged by remote attackers using CVE-2016-9565.
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)
ReferencesDLA-1615-1, DLA-751-1
NVD severityhigh (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
icinga (PTS)jessie1.11.6-1vulnerable
stretch1.13.4-2fixed
buster, sid1.14.2+ds-3fixed
nagios3 (PTS)jessie3.5.1.dfsg-2vulnerable
jessie (security)3.5.1.dfsg-2+deb8u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
icingasource(unstable)1.13.4-1high
nagios3source(unstable)(unfixed)high
nagios3sourcejessie3.5.1.dfsg-2+deb8u1highDLA-1615-1
nagios3sourcewheezy3.4.1-3+deb7u3highDLA-751-1

Notes

[wheezy] - nagios3 <no-dsa> (Minor issue)
https://github.com/NagiosEnterprises/nagioscore/commit/c29557dec91eba2306f5fb11b8da4474ba63f8c4
https://legalhackers.com/advisories/Nagios-Exploit-Root-PrivEsc-CVE-2016-9566.html
nagios < 3.5 is not vulnerable through the regular logfile, but through the debug logfile
[jessie] - icinga <no-dsa> (Minor issue)
[wheezy] - icinga <no-dsa> (Minor issue)
https://dev.icinga.com/issues/13709
https://github.com/Icinga/icinga-core/commit/a0eb8471673b6b1e9b37e1b7b91151aa00bedb65
https://github.com/Icinga/icinga-core/commit/e0f55bc9b17ef1db9aed7393fc34576a5b9501f0

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