CVE-2005-0468 Information

Description

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.

Reference

ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:01.telnet.asc ftp://patches.sgi.com/support/free/security/advisories/20050405-01-P http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000962 http://secunia.com/advisories/14745 http://secunia.com/advisories/17899 http://sunsolve.sun.com/search/document.do?assetkey=1-26-101665-1 http://sunsolve.sun.com/search/document.do?assetkey=1-26-101671-1 http://sunsolve.sun.com/search/document.do?assetkey=1-26-57755-1 http://sunsolve.sun.com/search/document.do?assetkey=1-26-57761-1 http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2005-001-telnet.txt http://www.debian.de/security/2005/dsa-731 http://www.debian.org/security/2005/dsa-703 http://www.idefense.com/application/poi/display?id=221&type=vulnerabilities http://www.kb.cert.org/vuls/id/341908 http://www.mandriva.com/security/advisories?name=MDKSA-2005:061 http://www.redhat.com/support/errata/RHSA-2005-327.html http://www.redhat.com/support/errata/RHSA-2005-330.html http://www.securityfocus.com/bid/12919 http://www.ubuntulinux.org/usn/usn-224-1 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A9640