Test Kennung:	1.3.6.1.4.1.25623.1.0.63418
Kategorie:	FreeBSD Local Security Checks
Titel:	FreeBSD Security Advisory (FreeBSD-SA-09:05.telnetd.asc)
Zusammenfassung:	The remote host is missing an update to the system; as announced in the referenced advisory FreeBSD-SA-09:05.telnetd.asc
Beschreibung:	Summary: The remote host is missing an update to the system as announced in the referenced advisory FreeBSD-SA-09:05.telnetd.asc Vulnerability Insight: The FreeBSD telnet daemon, telnetd(8), implements the server side of the TELNET virtual terminal protocol. It has been disabled by default in FreeBSD since August 2001, and due to the lack of cryptographic security in the TELNET protocol, it is strongly recommended that the SSH protocol be used instead. The FreeBSD telnet daemon can be enabled via the /etc/inetd.conf configuration file and the inetd(8) daemon. The TELNET protocol allows a connecting client to specify environment variables which should be set in any created login session. This is used, for example, to specify terminal settings. In order to prevent environment variable based attacks, telnetd(8) scrubs its environment. However, recent changes in FreeBSD's environment-handling code rendered telnetd's scrubbing inoperative, thereby allowing potentially harmful environment variables to be set. Solution: Upgrade your system to the appropriate stable release or security branch dated after the correction date. CVSS Score: 9.3 CVSS Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2009-0641 BugTraq ID: 33777 http://www.securityfocus.com/bid/33777 https://www.exploit-db.com/exploits/8055 FreeBSD Security Advisory: FreeBSD-SA-09:05 http://security.freebsd.org/advisories/FreeBSD-SA-09:05.telnetd.asc http://lists.grok.org.uk/pipermail/full-disclosure/2009-February/067954.html XForce ISS Database: freebsd-telnet-ldpreload-code-execution(48780) https://exchange.xforce.ibmcloud.com/vulnerabilities/48780
Copyright	Copyright (C) 2009 E-Soft Inc.

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