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Debian Security Advisory DSA 1276-1 (krb5)

Information

Severity

Severity

Critical

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

9.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

14 years ago

Modified

Modified

4 years ago

Summary

The remote host is missing an update to krb5 announced via advisory DSA 1276-1. Several remote vulnerabilities have been discovered in the MIT reference implementation of the Kerberos network authentication protocol suite, which may lead to the execution of arbitrary code. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2007-0956 It was discovered that the krb5 telnet daemon performs insufficient validation of usernames, which might allow unauthorized logins or privilege escalation. CVE-2007-0957 iDefense discovered that a buffer overflow in the logging code of the KDC and the administration daemon might lead to arbitrary code execution. CVE-2007-1216 It was discovered that a double free in the RPCSEC_GSS part of the GSS library code might lead to arbitrary code execution.

Solution

Solution

For the stable distribution (sarge) these problems have been fixed in version 1.3.6-2sarge4. For the upcoming stable distribution (etch) these problems have been fixed in version 1.4.4-7etch1. For the unstable distribution (sid) these problems will be fixed soon. We recommend that you upgrade your Kerberos packages. https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201276-1

Common Vulnerabilities and Exposures (CVE)

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1. Download Multipass

sudo snap install multipass

2. Launch a multipass instance

multipass launch -c 2 -m 6G -d 20G -n mageni 20.04 && multipass shell mageni

3. Install Mageni

curl -sL https://www.mageni.net/installation | sudo bash

1. If you don’t have it already, install Brew. Then, to install Multipass simply execute:

brew install --cask multipass

2. Launch a multipass instance

multipass launch -c 2 -m 6G -d 20G -n mageni 20.04 && multipass shell mageni

2. Install Mageni

curl -sL https://www.mageni.net/installation | sudo bash

1. Download the installer for Windows

Note: You need Windows 10 Pro/Enterprise/Education v 1803 or later, or any Windows 10 with VirtualBox

2. Ensure your network is private

Make sure your local network is designated as private, otherwise Windows prevents Multipass from starting.

3. Run the installer

You need to allow the installer to gain Administrator privileges.

4. Launch a multipass instance

multipass launch -c 2 -m 6G -d 20G -n mageni 20.04

5. Log into the multipass instance

multipass shell mageni

6. Install Mageni

curl -sL https://www.mageni.net/installation | sudo bash