drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in NTP
Name: |
Mehrere Probleme in NTP |
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ID: |
DSA-3629-1 |
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Distribution: |
Debian |
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Plattformen: |
Debian sid, Debian jessie, Debian stretch |
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Datum: |
Di, 26. Juli 2016, 08:55 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8158
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2518
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1547
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7978
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2516
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7974
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1550
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7977
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8138
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7979
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1548 |
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Applikationen: |
NTP |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
- ------------------------------------------------------------------------- Debian Security Advisory DSA-3629-1 security@debian.org https://www.debian.org/security/ Moritz Muehlenhoff July 25, 2016 https://www.debian.org/security/faq - -------------------------------------------------------------------------
Package : ntp CVE ID : CVE-2015-7974 CVE-2015-7977 CVE-2015-7978 CVE-2015-7979 CVE-2015-8138 CVE-2015-8158 CVE-2016-1547 CVE-2016-1548 CVE-2016-1550 CVE-2016-2516 CVE-2016-2518
Several vulnerabilities were discovered in the Network Time Protocol daemon and utility programs:
CVE-2015-7974
Matt Street discovered that insufficient key validation allows impersonation attacks between authenticated peers.
CVE-2015-7977 / CVE-2015-7978
Stephen Gray discovered that a NULL pointer dereference and a buffer overflow in the handling of "ntpdc reslist" commands may result in denial of service.
CVE-2015-7979
Aanchal Malhotra discovered that if NTP is configured for broadcast mode, an attacker can send malformed authentication packets which break associations with the server for other broadcast clients.
CVE-2015-8138
Matthew van Gundy and Jonathan Gardner discovered that missing validation of origin timestamps in ntpd clients may result in denial of service.
CVE-2015-8158
Jonathan Gardner discovered that missing input sanitising in ntpq may result in denial of service.
CVE-2016-1547
Stephen Gray and Matthew van Gundy discovered that incorrect handling of crypto NAK packets my result in denial of service.
CVE-2016-1548
Jonathan Gardner and Miroslav Lichvar discovered that ntpd clients could be forced to change from basic client/server mode to interleaved symmetric mode, preventing time synchronisation.
CVE-2016-1550
Matthew van Gundy, Stephen Gray and Loganaden Velvindron discovered that timing leaks in the the packet authentication code could result in recovery of a message digest.
CVE-2016-2516
Yihan Lian discovered that duplicate IPs on "unconfig" directives will trigger an assert.
CVE-2016-2518
Yihan Lian discovered that an OOB memory access could potentially crash ntpd.
For the stable distribution (jessie), these problems have been fixed in version 1:4.2.6.p5+dfsg-7+deb8u2.
For the testing distribution (stretch), these problems have been fixed in version 1:4.2.8p7+dfsg-1.
For the unstable distribution (sid), these problems have been fixed in version 1:4.2.8p7+dfsg-1.
We recommend that you upgrade your ntp packages.
Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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