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:
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 email@example.com
Subject: FreeBSD update for telnetd
No posts yet
You must be logged in to post a comment.
Secunia Customer Login
Not a customer already?
Learn more about how our market leading Vulnerability Management solutions can help you manage risk and ensure compliance.