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The telnet server has a remote buffer overflow vulnerability.
A buffer overflow exists in libtelnet/encrypt.c in telnetd in FreeBSD
7.3 through 9.0, MIT Kerberos Version 5 Applications (aka krb5-appl)
1.0.2 and earlier, and Heimdal 1.5.1 and earlier. The vulnerability
also affects any 'telnetd' service derived from the FreeBSD codebase.
Successful exploitation could allow a remote attacker to execute
arbitrary code via a long encryption key.
Note that this vulnerability has been exploited in the wild since
See also :
Upgrade to the version specified in the vendor's advisory.
Risk factor :
Critical / CVSS Base Score : 10.0
CVSS Temporal Score : 8.7
Public Exploit Available : true
Family: Gain a shell remotely
Nessus Plugin ID: 57462 ()
Bugtraq ID: 51182
CVE ID: CVE-2011-4862
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