Summary
Ubuntu Update for Linux kernel vulnerabilities USN-511-2
Solution
Please Install the Updated Packages.
Insight
USN-511-1 fixed vulnerabilities in krb5 and librpcsecgss. The fixes were incomplete, and only reduced the scope of the vulnerability, without fully solving it. This update fixes the problem.
Original advisory details:
It was discovered that the libraries handling RPCSEC_GSS did not correctly validate the size of certain packet structures. An unauthenticated remote user could send a specially crafted request and execute arbitrary code with root privileges.
Affected
krb5, librpcsecgss vulnerability on Ubuntu 6.06 LTS , Ubuntu 6.10 ,
Ubuntu 7.04
Severity
Classification
-
CVE CVE-2007-4743 -
CVSS Base Score: 10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
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