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Insecure Library Loading
Highly critical

FreeBSD update for telnetd

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Release Date:  2011-12-26    Views:  2,516

Secunia Advisory SA47397

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


FreeBSD has acknowledged a vulnerability in telnetd, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error within the "encrypt_keyid()" function (crypto/heimdal/appl/telnet/libtelnet/encrypt.c and contrib/telnet/libtelnet/encrypt.c), which can be exploited to cause a buffer overflow by sending specially crafted commands to the server.

NOTE: This vulnerability is currently being actively exploited.


Solution:
Update FreeBSD or apply patch.

Provided and/or discovered by:
Reported by the vendor.

Original Advisory:
FreeBSD-SA-11:08.telnetd:
http://security.freebsd.org/advisories/FreeBSD-SA-11:08.telnetd.asc

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: FreeBSD update for telnetd

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