CVE-2015-5195: Input Validation
First published: Tue Aug 18 2015(Updated: )
It was found that ntpd exits with a segmentation fault when a statistics type that was not enabled during compilation (e.g. timingstats) is referenced by the statistics or filegen configuration command, for example: ntpq -c ':config statistics timingstats' ntpq -c ':config filegen timingstats' Upstream patch: <a href="http://bk.ntp.org/ntp-dev/?PAGE=patch&REV=4d253ed0A400LyhRQIV0u23NJwuGAA">http://bk.ntp.org/ntp-dev/?PAGE=patch&REV=4d253ed0A400LyhRQIV0u23NJwuGAA</a> (in 4.2.6, the code than handles NULL == filegen needs to be adjusted as the outer loop was changed from while to for)
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Fedoraproject Fedora | =21 | |
| Fedoraproject Fedora | =22 | |
| Fedoraproject Fedora | =23 | |
| Redhat Enterprise Linux Desktop | =6.0 | |
| Redhat Enterprise Linux Desktop | =7.0 | |
| Redhat Enterprise Linux Hpc Node | =6.0 | |
| Redhat Enterprise Linux Hpc Node | =7.0 | |
| Redhat Enterprise Linux Server | =6.0 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Workstation | =6.0 | |
| Redhat Enterprise Linux Workstation | =7.0 | |
| Debian Debian Linux | =7.0 | |
| Debian Debian Linux | =8.0 | |
| Canonical Ubuntu Linux | =12.04 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =15.04 | |
| Canonical Ubuntu Linux | =15.10 | |
| NTP ntp | <=4.2.7 |
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Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html
- http://rhn.redhat.com/errata/RHSA-2016-0780.html
- http://rhn.redhat.com/errata/RHSA-2016-2583.html
- http://www.debian.org/security/2015/dsa-3388
- http://www.openwall.com/lists/oss-security/2015/08/25/3
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securityfocus.com/bid/76474
- http://www.ubuntu.com/usn/USN-2783-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1254544
- https://github.com/ntp-project/ntp/commit/52e977d79a0c4ace997e5c74af429844da2f27be
- https://www-01.ibm.com/support/docview.wss?uid=isg3T1024157
- https://www-01.ibm.com/support/docview.wss?uid=swg21985122
- https://www-01.ibm.com/support/docview.wss?uid=swg21986956
- https://www-01.ibm.com/support/docview.wss?uid=swg21988706
- https://www-01.ibm.com/support/docview.wss?uid=swg21989542
- http://bk.ntp.org/ntp-dev/?PAGE=patch&REV=4d253ed0A400LyhRQIV0u23NJwuGAA
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1256664
- https://bodhi.fedoraproject.org/updates/FEDORA-2015-14211
- https://bodhi.fedoraproject.org/updates/FEDORA-2015-14212
- https://bodhi.fedoraproject.org/updates/FEDORA-2015-14213
- https://rhn.redhat.com/errata/RHSA-2016-0780.html
- https://rhn.redhat.com/errata/RHSA-2016-2583.html
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