Debian DSA-3154-2: Critical Ntp Data Exposure Risk Remedied

Several vulnerabilities were discovered in the ntp package, an
implementation of the Network Time Protocol. The Common Vulnerabilities
and Exposures project identifies the following problems:

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).

For the stable distribution (wheezy), this problem has been fixed in
version 1:4.2.6.p5+dfsg-2+deb7u3.

For the unstable distribution (sid), this problem has been fixed in
version 1:4.2.6.p5+dfsg-5.

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/