Explain CVE-2005-0468
Heap-based buffer overflow in the env_opt_add function in telnet.c for various BSD-based Telnet clients allows remote attackers to execute arbitrary code via responses that contain a large number of characters that require escaping, which consumers more memory than allocated.
Affected Products: n/a
References: [{'name': 'DSA-731', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'http://www.debian.de/security/2005/dsa-731'}, {'name': '20050405-01-P', 'tags': ['vendor-advisory', 'x_refsource_SGI'], 'url': 'ftp://patches.sgi.com/support/free/security/advisories/20050405-01-P'}, {'name': 'USN-224-1', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntulinux.org/usn/usn-224-1'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2005-001-telnet.txt'}, {'name': 'VU#341908', 'tags': ['third-party-advisory', 'x_refsource_CERT-VN'], 'url': 'http://www.kb.cert.org/vuls/id/341908'}, {'name': '57755', 'tags': ['vendor-advisory', 'x_refsource_SUNALERT'], 'url': 'http://sunsolve.sun.com/search/document.do?assetkey=1-26-57755-1'}, {'name': '12919', 'tags': ['vdb-entry', 'x_refsource_BID'], 'url': 'http://www.securityfocus.com/bid/12919'}, {'name': 'CLA-2005:962', 'tags': ['vendor-advisory', 'x_refsource_CONECTIVA'], 'url': 'http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000962'}, {'name': 'DSA-703', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'http://www.debian.org/security/2005/dsa-703'}, {'name': '101665', 'tags': ['vendor-advisory', 'x_refsource_SUNALERT'], 'url': 'http://sunsolve.sun.com/search/document.do?assetkey=1-26-101665-1'}, {'name': 'MDKSA-2005:061', 'tags': ['vendor-advisory', 'x_refsource_MANDRAKE'], 'url': 'http://www.mandriva.com/security/advisories?name=MDKSA-2005:061'}, {'name': 'oval:org.mitre.oval:def:9640', 'tags': ['vdb-entry', 'signature', 'x_refsource_OVAL'], 'url': 'https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9640'}, {'name': '14745', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/14745'}, {'name': 'RHSA-2005:327', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://www.redhat.com/support/errata/RHSA-2005-327.html'}, {'name': 'FreeBSD-SA-05:01.telnet', 'tags': ['vendor-advisory', 'x_refsource_FREEBSD'], 'url': 'ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:01.telnet.asc'}, {'name': 'RHSA-2005:330', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://www.redhat.com/support/errata/RHSA-2005-330.html'}, {'name': '57761', 'tags': ['vendor-advisory', 'x_refsource_SUNALERT'], 'url': 'http://sunsolve.sun.com/search/document.do?assetkey=1-26-57761-1'}, {'name': '20050328 Multiple Telnet Client env_opt_add() Buffer Overflow Vulnerability', 'tags': ['third-party-advisory', 'x_refsource_IDEFENSE'], 'url': 'http://www.idefense.com/application/poi/display?id=221&type=vulnerabilities'}, {'name': '101671', 'tags': ['vendor-advisory', 'x_refsource_SUNALERT'], 'url': 'http://sunsolve.sun.com/search/document.do?assetkey=1-26-101671-1'}, {'name': '17899', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/17899'}]
CVE State: PUBLISHED