critical
10
CWE
120 119
Advisory Published
CVE Published
Updated

CVE-2001-0554: Buffer Overflow

First published: Tue Aug 14 2001(Updated: )

Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows remote attackers to execute arbitrary commands via a set of options including AYT (Are You There), which is not properly handled by the telrcv function.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netkit=0.10
MIT Kerberos 5=1.0
Netkit=0.12
SGI IRIX=6.5
Netkit=0.11
MIT Kerberos 5=1.1
MIT Kerberos 5=1.2
MIT Kerberos 5=1.2.1
MIT Kerberos 5=1.2.2
MIT Kerberos 5=1.1.1
IBM AIX=4.3.2
IBM AIX=4.3
Sun SunOS=5.3
FreeBSD FreeBSD=3.1
OpenBSD=2.8
FreeBSD FreeBSD=3.0-releng
FreeBSD FreeBSD=2.2.5
NetBSD NetBSD=1.3
NetBSD NetBSD=1.5
FreeBSD FreeBSD=2.2.2
NetBSD NetBSD=1.2.1
NetBSD NetBSD=1.3.1
FreeBSD FreeBSD=2.1.7
FreeBSD FreeBSD=3.5-stable
FreeBSD FreeBSD=2.2.3
FreeBSD FreeBSD=2.0.5
OpenBSD=2.1
Sun SunOS=5.7
NetBSD NetBSD=1.4.2
FreeBSD FreeBSD=3.5.1
Sun SunOS=5.5
OpenBSD=2.2
Sun SunOS=5.8
NetBSD NetBSD=1.3.3
NetBSD NetBSD=1.0
OpenBSD=2.0
OpenBSD=2.7
FreeBSD FreeBSD=4.1
FreeBSD FreeBSD=2.2.8
FreeBSD FreeBSD=3.5.1-stable
NetBSD NetBSD=1.5.1
FreeBSD FreeBSD=2.1.6.1
FreeBSD FreeBSD=2.2
FreeBSD FreeBSD=3.0
OpenBSD=2.4
IBM AIX=4.3.3
FreeBSD FreeBSD=3.2
FreeBSD FreeBSD=2.2-current
NetBSD NetBSD=1.1
FreeBSD FreeBSD=4.2
NetBSD NetBSD=1.4.3
FreeBSD FreeBSD=2.2.4
FreeBSD FreeBSD=2.1.0
FreeBSD FreeBSD=2.2.6
Sun SunOS=5.4
FreeBSD FreeBSD=2.1.6
FreeBSD FreeBSD=2.1.7.1
FreeBSD FreeBSD=4.0-releng
FreeBSD FreeBSD=3.3
Sun SunOS=5.5.1
FreeBSD FreeBSD=4.0
FreeBSD FreeBSD=4.1.1
FreeBSD FreeBSD=4.3
IBM AIX=4.3.1
FreeBSD FreeBSD=3.4
FreeBSD FreeBSD=2.0.1
FreeBSD FreeBSD=3.5
NetBSD NetBSD=1.4
NetBSD NetBSD=1.3.2
OpenBSD=2.6
Sun SunOS=5.0
NetBSD NetBSD=1.4.1
FreeBSD FreeBSD=2.1.5
OpenBSD=2.5
FreeBSD FreeBSD=3.5.1-release
IBM AIX=5.1
OpenBSD=2.3
FreeBSD FreeBSD=4.0-alpha
FreeBSD FreeBSD=2.2.1
NetBSD NetBSD=1.2
Oracle Solaris SPARC=2.6
FreeBSD FreeBSD=2.2.7
FreeBSD FreeBSD=2.1-stable
FreeBSD FreeBSD=2.0
Sun SunOS=5.1
Sun SunOS=5.2
Debian GNU/Linux=2.2

Remedy

ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:49.telnetd.asc

Remedy

http://www.cert.org/advisories/CA-2001-21.html

Remedy

http://www.securityfocus.com/bid/3064

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2001-0554?

    CVE-2001-0554 has a severity rating of high due to the potential for remote code execution.

  • How do I fix CVE-2001-0554?

    To fix CVE-2001-0554, update the affected software to a version that includes the security patches addressing this vulnerability.

  • What systems are impacted by CVE-2001-0554?

    CVE-2001-0554 affects BSD-based telnetd implementations on various operating systems, including Netkit, MIT Kerberos, and several versions of FreeBSD.

  • Can CVE-2001-0554 be exploited remotely?

    Yes, CVE-2001-0554 can be exploited remotely, allowing attackers to execute arbitrary commands over the network.

  • What is the cause of CVE-2001-0554?

    CVE-2001-0554 is caused by a buffer overflow in the telrcv function of the telnet daemon, which mishandles specific options.

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