Unrated severityNVD Advisory· Published Aug 14, 2001· Updated Apr 16, 2026

CVE-2001-0554

Description

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.

Affected products

Mit/Kerberos
cpe:2.3:a:mit:kerberos:1.0:*:*:*:*:*:*:*
Mit/Kerberos 55 versions
cpe:2.3:a:mit:kerberos_5:1.1:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:mit:kerberos_5:1.1:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.2:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.2.2:*:*:*:*:*:*:*
Netkit/Linux Netkit3 versions
cpe:2.3:a:netkit:linux_netkit:0.10:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:netkit:linux_netkit:0.10:*:*:*:*:*:*:*
- cpe:2.3:a:netkit:linux_netkit:0.11:*:*:*:*:*:*:*
- cpe:2.3:a:netkit:linux_netkit:0.12:*:*:*:*:*:*:*
Debian/Debian Linux
cpe:2.3:o:debian:debian_linux:2.2:*:*:*:*:*:*:*
FreeBSD/FreeBSD38 versions
cpe:2.3:o:freebsd:freebsd:2.0:*:*:*:*:*:*:*+ 37 more
- cpe:2.3:o:freebsd:freebsd:2.0:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.0.5:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.1.5:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.1.6:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.1.6.1:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.1.7:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.1.7.1:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.1:stable:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.2:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.2.3:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.2.4:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.2.5:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.2.6:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.2.7:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.2.8:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:2.2:current:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:3.0:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:3.0:releng:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:3.1:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:3.2:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:3.3:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:3.4:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:3.5:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:3.5.1:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:3.5.1:release:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:3.5.1:stable:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:3.5:stable:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:4.0:alpha:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:4.0:releng:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:4.1:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:4.2:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:4.3:*:*:*:*:*:*:*
IBM/Aix5 versions
cpe:2.3:o:ibm:aix:4.3:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:o:ibm:aix:4.3:*:*:*:*:*:*:*
- cpe:2.3:o:ibm:aix:4.3.1:*:*:*:*:*:*:*
- cpe:2.3:o:ibm:aix:4.3.2:*:*:*:*:*:*:*
- cpe:2.3:o:ibm:aix:4.3.3:*:*:*:*:*:*:*
- cpe:2.3:o:ibm:aix:5.1:*:*:*:*:*:*:*
NetBSD/NetBSD14 versions
cpe:2.3:o:netbsd:netbsd:1.0:*:*:*:*:*:*:*+ 13 more
- cpe:2.3:o:netbsd:netbsd:1.0:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:1.1:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:1.2:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:1.3:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:1.3.1:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:1.3.2:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:1.3.3:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:1.4:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:1.4.1:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:1.4.2:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:1.4.3:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:1.5:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:1.5.1:*:*:*:*:*:*:*
OpenBSD/OpenBSD9 versions
cpe:2.3:o:openbsd:openbsd:2.0:*:*:*:*:*:*:*+ 8 more
- cpe:2.3:o:openbsd:openbsd:2.0:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.1:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.2:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.3:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.4:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.5:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.6:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.7:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.8:*:*:*:*:*:*:*
Sgi/Irix
cpe:2.3:o:sgi:irix:6.5:*:*:*:*:*:*:*
Sun Corporation/Solaris
cpe:2.3:o:sun:solaris:2.6:*:*:*:*:*:*:*
Sun Corporation/Sunos9 versions
cpe:2.3:o:sun:sunos:5.0:*:*:*:*:*:*:*+ 8 more
- cpe:2.3:o:sun:sunos:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:sun:sunos:5.1:*:*:*:*:*:*:*
- cpe:2.3:o:sun:sunos:5.2:*:*:*:*:*:*:*
- cpe:2.3:o:sun:sunos:5.3:*:*:*:*:*:*:*
- cpe:2.3:o:sun:sunos:5.4:*:*:*:*:*:*:*
- cpe:2.3:o:sun:sunos:5.5:*:*:*:*:*:*:*
- cpe:2.3:o:sun:sunos:5.5.1:*:*:*:*:*:*:*
- cpe:2.3:o:sun:sunos:5.7:*:*:*:*:*:*:*
- cpe:2.3:o:sun:sunos:5.8:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:49.telnetd.ascnvdBroken LinkPatchVendor Advisory
www.cert.org/advisories/CA-2001-21.htmlnvdPatchThird Party AdvisoryUS Government Resource
www.securityfocus.com/archive/1/197804nvdExploitThird Party AdvisoryVDB EntryVendor Advisory
www.securityfocus.com/bid/3064nvdExploitPatchThird Party AdvisoryVDB EntryVendor Advisory
online.securityfocus.com/advisories/3476nvdBroken LinkThird Party AdvisoryVDB Entry
online.securityfocus.com/archive/1/199496nvdBroken LinkThird Party AdvisoryVDB Entry
online.securityfocus.com/archive/1/199541nvdBroken LinkThird Party AdvisoryVDB Entry
online.securityfocus.com/archive/1/203000nvdBroken LinkThird Party AdvisoryVDB Entry
www.cisco.com/warp/public/707/catos-telrcv-vuln-pub.shtmlnvdThird Party Advisory
www.debian.org/security/2001/dsa-070nvdThird Party Advisory
www.debian.org/security/2001/dsa-075nvdThird Party Advisory
www.redhat.com/support/errata/RHSA-2001-099.htmlnvdThird Party Advisory
www.redhat.com/support/errata/RHSA-2001-100.htmlnvdThird Party Advisory
exchange.xforce.ibmcloud.com/vulnerabilities/6875nvdThird Party AdvisoryVDB Entry
ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2001-012.txt.ascnvdBroken Link
patches.sgi.com/support/free/security/advisories/20010801-01-PnvdBroken Link
stage.caldera.com/pub/security/openserver/CSSA-2001-SCO.10/CSSA-2001-SCO.10.txtnvdBroken Link
archives.neohapsis.com/archives/hp/2001-q4/0014.htmlnvdBroken Link
distro.conectiva.com.br/atualizacoes/nvdBroken Link
ftp.support.compaq.com/patches/.new/html/SSRT0745U.shtmlnvdBroken Link
www.calderasystems.com/support/security/advisories/CSSA-2001-030.0.txtnvdBroken Link
www.ciac.org/ciac/bulletins/l-131.shtmlnvdBroken Link
www.linux-mandrake.com/en/security/2001/MDKSA-2001-068.php3nvdBroken Link
www.novell.com/linux/security/advisories/2001_029_nkitb_txt.htmlnvdBroken Link
www.osvdb.org/809nvdBroken Link

News mentions

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epss	0.013
exploit	0.030
kev	0.000
patch	0.000
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