Vulnerability CVE-2005-0468
Published: 2005-05-02   Modified: 2012-02-12

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.

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
NCSA -> Telnet 

 References:
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://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/oval%3Aorg.mitre.oval%3Adef%3A9640
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