CVE-2003-0039

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2003-02-07 · updated 2026-06-16

Description

ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote attackers to cause a denial of service (packet storm) via a certain BOOTP packet that is forwarded to a broadcast MAC address, causing an infinite loop that is not restricted by a hop count.

Affected products

ISC Dhcpd: 3.0.1-rc1, 3.0.1-rc10, 3.0.1-rc2, 3.0.1-rc3, 3.0.1-rc4, 3.0.1-rc5 (+4)

References

http://cc.turbolinux.com/security/TLSA-2003-26.txt
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000616
http://marc.info/?l=bugtraq&m=104310927813830&w=2
http://www.debian.org/security/2003/dsa-245
http://www.kb.cert.org/vuls/id/149953
http://www.openpkg.org/security/OpenPKG-SA-2003.012-dhcpd.html
http://www.redhat.com/support/errata/RHSA-2003-034.html
http://www.securityfocus.com/bid/6628
https://exchange.xforce.ibmcloud.com/vulnerabilities/11187
http://cc.turbolinux.com/security/TLSA-2003-26.txt
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000616
http://marc.info/?l=bugtraq&m=104310927813830&w=2

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