Debian: DSA-3154-1 Critical: NTP Information Leakage and DoS
debian
February 5, 2015
Several vulnerabilities were discovered in the ntp package, an implementation of the Network Time Protocol
Topics Covered
Summary
CVE-2014-9297
Stephen Roettger of the Google Security Team, Sebastian Krahmer of
the SUSE Security Team and Harlan Stenn of Network Time Foundation
discovered that the length value in extension fields is not properly
validated in several code paths in ntp_crypto.c, which could lead to
information leakage or denial of service (ntpd crash).
CVE-2014-9298
Stephen Roettger of the Google Security Team reported that ACLs
based on IPv6 ::1 addresses can be bypassed.
For the stable distribution (wheezy), these problems have been fixed in
version 1:4.2.6.p5+dfsg-2+deb7u2.
For the unstable distribution (sid), these problems have been fixed in
version 1:4.2.6.p5+dfsg-4.
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/
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Package: ntp
CVE ID: CVE-2014-9297 CVE-2014-9298
Topics Covered
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