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CVE-2009-0692

HighPublished

Stack-based buffer overflow in the script_write_params method in client/dhclient.c in ISC DHCP dhclient 4.1 before 4.1.0p1, 4.0 before 4.0.1p1, 3.1 before...

Published: Jul 14, 2009
Updated: Aug 7, 2024
Assigning CNA: certcc
Evidence observed: Jul 27, 2009

Primary CVSS

10.0/ 10High

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS probability estimate

25.8%

Moderate · next 30 days

Percentile: 97.9%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Stack-based buffer overflow in the script_write_params method in client/dhclient.c in ISC DHCP dhclient 4.1 before 4.1.0p1, 4.0 before 4.0.1p1, 3.1 before 3.1.2p1, 3.0, and 2.0 allows remote DHCP servers to execute arbitrary code via a crafted subnet-mask option.

Sources

ISC DHCP dhclient < 3.1.2p1 - Remote Buffer Overflow (PoC)Exploit
Jon Oberheide · linux · Jul 27, 2009

Responsible use

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