Package : openssh-krb5
Vulnerability : several
Problem-Type : remote
CVE ID : CVE-2006-4924 CVE-2006-5051
Several remote vulnerabilities have been discovered in OpenSSH, a free
implementation of the Secure Shell protocol, which may lead to denial of
service and potentially the execution of arbitrary code. The Common
Vulnerabilities and Exposures project identifies the following problems:
Tavis Ormandy of the Google Security Team discovered a denial of
service vulnerability in the mitigation code against complexity
attacks, which might lead to increased CPU consumption until a
timeout is triggered. This is only exploitable if support for
SSH protocol version 1 is enabled.
Mark Dowd discovered that insecure signal handler usage could
potentially lead to execution of arbitrary code through a double
free. The Debian Security Team doesn't believe the general openssh
package without Kerberos support to be exploitable by this issue.
However, due to the complexity of the underlying code we will
issue an update to rule out all eventualities.
For the stable distribution (sarge) these problems have been fixed in
For the unstable distribution (sid) these problems have been fixed in
version 4.3p2-4 of openssh. openssh-krb5 will soon be converted towards
a transitional package against openssh.
We recommend that you upgrade your openssh-krb5 packages.
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:
will update the internal database
will install corrected packages
You may use an automated update by adding the resources from the
footer to the proper configuration.
Debian GNU/Linux 3.1 alias sarge