CVE-2006-3122

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-08-09 · updated 2026-06-16
Weakness: CWE-399

Description

The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote attackers to cause a denial of service (application crash) via a DHCPDISCOVER packet with a 32 byte client-identifier, which causes the packet to be interpreted as a corrupt uid and causes the server to exit with "corrupt lease uid."

Affected products

ISC Dhcpd: through 2.0pl5

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=380273
http://secunia.com/advisories/21345
http://secunia.com/advisories/21363
http://secunia.com/advisories/21655
http://securitytracker.com/id?1016755
http://www.debian.org/security/2006/dsa-1143
http://www.openbsd.org/errata.html#dhcpd
http://www.securityfocus.com/bid/19348
http://www.vupen.com/english/advisories/2006/3158
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=380273
http://secunia.com/advisories/21345
http://secunia.com/advisories/21363

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