CVE-2001-0554

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.

• CWE-120

• ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:49.telnetd.ascBroken Link, Patch, Vendor Advisory
• ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2001-012.txt.ascBroken Link
• ftp://patches.sgi.com/support/free/security/advisories/20010801-01-PBroken Link
• ftp://stage.caldera.com/pub/security/openserver/CSSA-2001-SCO.10/CSSA-2001-SCO.10.txtBroken Link
• http://archives.neohapsis.com/archives/hp/2001-q4/0014.htmlBroken Link
• http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000413Broken Link
• http://ftp.support.compaq.com/patches/.new/html/SSRT0745U.shtmlBroken Link
• http://online.securityfocus.com/advisories/3476Broken Link, Third Party Advisory, VDB Entry
• http://online.securityfocus.com/archive/1/199496Broken Link, Third Party Advisory, VDB Entry
• http://online.securityfocus.com/archive/1/199541Broken Link, Third Party Advisory, VDB Entry
• http://online.securityfocus.com/archive/1/203000Broken Link, Third Party Advisory, VDB Entry
• http://www.calderasystems.com/support/security/advisories/CSSA-2001-030.0.txtBroken Link
• http://www.cert.org/advisories/CA-2001-21.htmlPatch, Third Party Advisory, US Government Resource
• http://www.ciac.org/ciac/bulletins/l-131.shtmlBroken Link
• http://www.cisco.com/warp/public/707/catos-telrcv-vuln-pub.shtmlThird Party Advisory
• http://www.debian.org/security/2001/dsa-070Third Party Advisory
• http://www.debian.org/security/2001/dsa-075Third Party Advisory
• http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-068.php3Broken Link
• http://www.novell.com/linux/security/advisories/2001_029_nkitb_txt.htmlBroken Link
• http://www.osvdb.org/809Broken Link
• http://www.redhat.com/support/errata/RHSA-2001-099.htmlThird Party Advisory
• http://www.redhat.com/support/errata/RHSA-2001-100.htmlThird Party Advisory
• http://www.securityfocus.com/archive/1/197804Exploit, Third Party Advisory, VDB Entry, Vendor Advisory
• http://www.securityfocus.com/bid/3064Exploit, Patch, Third Party Advisory, VDB Entry, Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/6875Third Party Advisory, VDB Entry
• ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:49.telnetd.ascBroken Link, Patch, Vendor Advisory
• ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2001-012.txt.ascBroken Link
• ftp://patches.sgi.com/support/free/security/advisories/20010801-01-PBroken Link
• ftp://stage.caldera.com/pub/security/openserver/CSSA-2001-SCO.10/CSSA-2001-SCO.10.txtBroken Link
• http://archives.neohapsis.com/archives/hp/2001-q4/0014.htmlBroken Link
• http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000413Broken Link
• http://ftp.support.compaq.com/patches/.new/html/SSRT0745U.shtmlBroken Link
• http://online.securityfocus.com/advisories/3476Broken Link, Third Party Advisory, VDB Entry
• http://online.securityfocus.com/archive/1/199496Broken Link, Third Party Advisory, VDB Entry
• http://online.securityfocus.com/archive/1/199541Broken Link, Third Party Advisory, VDB Entry
• http://online.securityfocus.com/archive/1/203000Broken Link, Third Party Advisory, VDB Entry
• http://www.calderasystems.com/support/security/advisories/CSSA-2001-030.0.txtBroken Link
• http://www.cert.org/advisories/CA-2001-21.htmlPatch, Third Party Advisory, US Government Resource
• http://www.ciac.org/ciac/bulletins/l-131.shtmlBroken Link
• http://www.cisco.com/warp/public/707/catos-telrcv-vuln-pub.shtmlThird Party Advisory
• http://www.debian.org/security/2001/dsa-070Third Party Advisory
• http://www.debian.org/security/2001/dsa-075Third Party Advisory
• http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-068.php3Broken Link
• http://www.novell.com/linux/security/advisories/2001_029_nkitb_txt.htmlBroken Link
• http://www.osvdb.org/809Broken Link
• http://www.redhat.com/support/errata/RHSA-2001-099.htmlThird Party Advisory
• http://www.redhat.com/support/errata/RHSA-2001-100.htmlThird Party Advisory
• http://www.securityfocus.com/archive/1/197804Exploit, Third Party Advisory, VDB Entry, Vendor Advisory
• http://www.securityfocus.com/bid/3064Exploit, Patch, Third Party Advisory, VDB Entry, Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/6875Third Party Advisory, VDB Entry

Published

Aug 14, 2001

Last Modified

Jun 16, 2026

Status

Modified

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