CVE-2003-0321

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2003-06-09 · updated 2026-06-16

Description

Multiple buffer overflows in BitchX IRC client 1.0-0c19 and earlier allow remote malicious IRC servers to cause a denial of service (crash) and possibly execute arbitrary code via long hostnames, nicknames, or channel names, which are not properly handled by the functions (1) send_ctcp, (2) cannot_join_channel, (3) cluster, (4) BX_compress_modes, (5) handle_oper_vision, and (6) ban_it.

Affected products

Colten Edwards Bitchx: through 1.0.0c19

References

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000655
http://marc.info/?l=bugtraq&m=104766521328322&w=2
http://marc.info/?l=bugtraq&m=104852615211913&w=2
http://security.debian.org/pool/updates/main/i/ircii-pana/ircii-pana_1.0-0c16-2.1.diff.gz
http://www.debian.org/security/2003/dsa-306
http://www.securityfocus.com/bid/7096
http://www.securityfocus.com/bid/7097
http://www.securityfocus.com/bid/7099
http://www.securityfocus.com/bid/7100
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000655
http://marc.info/?l=bugtraq&m=104766521328322&w=2
http://marc.info/?l=bugtraq&m=104852615211913&w=2

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