drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in NTP (Aktualisierung)
Name: |
Mehrere Probleme in NTP (Aktualisierung) |
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ID: |
USN-3707-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 12.04 ESM |
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Datum: |
Mi, 23. Januar 2019, 19:58 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7428
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9311
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7426
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7185
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7183
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7427
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6463
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6462
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9310 |
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Applikationen: |
NTP |
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Update von: |
Mehrere Probleme in NTP |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-3707-2 January 23, 2019
ntp vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
Several security issues were fixed in NTP.
Software Description: - ntp: Network Time Protocol daemon and utility programs
Details:
USN-3707-1 and USN-3349-1 fixed several vulnerabilities in NTP. This update provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Miroslav Lichvar discovered that NTP incorrectly handled certain spoofed addresses when performing rate limiting. A remote attacker could possibly use this issue to perform a denial of service. (CVE-2016-7426)
Matthew Van Gundy discovered that NTP incorrectly handled certain crafted broadcast mode packets. A remote attacker could possibly use this issue to perform a denial of service. (CVE-2016-7427, CVE-2016-7428)
Matthew Van Gundy discovered that NTP incorrectly handled certain control mode packets. A remote attacker could use this issue to set or unset traps. (CVE-2016-9310)
Matthew Van Gundy discovered that NTP incorrectly handled the trap service. A remote attacker could possibly use this issue to cause NTP to crash, resulting in a denial of service. (CVE-2016-9311)
It was discovered that the NTP legacy DPTS refclock driver incorrectly handled the /dev/datum device. A local attacker could possibly use this issue to cause a denial of service. (CVE-2017-6462)
It was discovered that NTP incorrectly handled certain invalid settings in a :config directive. A remote authenticated user could possibly use this issue to cause NTP to crash, resulting in a denial of service. (CVE-2017-6463)
Michael Macnair discovered that NTP incorrectly handled certain responses. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2018-7183)
Miroslav Lichvar discovered that NTP incorrectly handled certain zero-origin timestamps. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2018-7185)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 12.04 ESM: ntp 1:4.2.6.p3+dfsg-1ubuntu3.12
In general, a standard system update will make all the necessary changes.
References: https://usn.ubuntu.com/usn/usn-3707-2 https://usn.ubuntu.com/usn/usn-3707-1 CVE-2016-7426, CVE-2016-7427, CVE-2016-7428, CVE-2016-9310, CVE-2016-9311, CVE-2017-6462, CVE-2017-6463, CVE-2018-7183, CVE-2018-7185 --=-cfHhkCWXKd2cIXroeZbE Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit
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