CVE-2005-0468

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 27.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2005-05-02 · updated 2026-06-16

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.

Affected products

Ncsa Telnet: c

References

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

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