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Debian Security Advisory DSA 3154-1 (ntp - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
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). CVE-2014-9298 Stephen Roettger of the Google Security Team reported that ACLs based on IPv6 ::1 addresses can be bypassed.
Affected Software
Affected Software
ntp on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
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.