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ISC DHCP Client Buffer Overflow Vulnerability
Information
Severity
Severity
Critical
Family
Family
Buffer overflow
CVSSv2 Base
CVSSv2 Base
10.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
14 years ago
Modified
Modified
4 years ago
Summary
This host has installed ISC DHCP Client and is prone to Buffer overflow Vulnerability.
Insight
Insight
The flaw is due to a boundary error within the 'script_write_params()' function in 'client/dhclient.c' which can be exploited to cause a stack-based buffer overflow by sending an overly long subnet-mask option.
Affected Software
Affected Software
ISC DHCP dhclient 4.1 before 4.1.0p1 ISC DHCP dhclient 4.0 before 4.0.1p1 ISC DHCP dhclient 3.1 before 3.1.2p1 ISC DHCP dhclient all versions in 3.0 and 2.0 series.
Solution
Solution
Upgrade to version 4.1.0p1, 4.0.1p1, or 3.1.2p1 or later.