Vulnerability CVE-2006-3122
Published: 2006-08-09   Modified: 2012-02-12

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."

Type:

CWE-399

 (Resource Management Errors)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
ISC -> Dhcpd 

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