DSA-2375-1 krb5, krb5-appl -- buffer overflow

Debian Security Advisory

DSA-2375-1 krb5, krb5-appl -- buffer overflow

Date Reported:

26 Dec 2011

Affected Packages:

krb5, krb5-appl

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2011-4862.

More information:

It was discovered that the encryption support for BSD telnetd contains a pre-authentication buffer overflow, which may enable remote attackers who can connect to the Telnet port to execute arbitrary code with root privileges.

For the oldstable distribution (lenny), this problem has been fixed in version 1.6.dfsg.4~beta1-5lenny7 of the krb5 package.

For the stable distribution (squeeze), this problem has been fixed in version 1:1.0.1-1.2 of the krb5-appl package.

For the testing distribution (wheezy) and the unstable distribution (sid), this problem will be fixed soon.

We recommend that you upgrade your krb5 and krb5-appl packages.