Package : ntp
Vulnerability : buffer overflows
Problem type : remote
Debian-specific: no
CVE Id(s) : CVE-2009-0159 CVE-2009-1252
CERT advisory : VU#853097
Debian Bug : 525373
Several remote vulnerabilities have been discovered in NTP, the Network
Time Protocol reference implementation. The Common Vulnerabilities and Exposures project identifies the following problems:
CVE-2009-0159
A buffer overflow in ntpq allow a remote NTP server to create a
denial of service attack or to execute arbitrary code via a crafted
response.
CVE-2009-1252
A buffer overflow in ntpd allows a remote attacker to create a
denial of service attack or to execute arbitrary code when the
autokey functionality is enabled.
For the old stable distribution (etch), these problems have been fixed in version 4.2.2.p4+dfsg-2etch3.
For the stable distribution (lenny), these problems have been fixed in
version 4.2.4p4+dfsg-8lenny2.
The unstable distribution (sid) will be fixed soon.
We recommend that you upgrade your ntp package.
Upgrade instructions
- --------------------
wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.
If you are using the apt-get package manager, use the line for
sources.list as given below:
apt-get update
will update the internal database
apt-get upgrade
will install corrected packages
You may use an automated update by adding the resources from the
footer to the proper configuration.
Debian GNU/Linux 4.0 alias etch
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