CVE-2009-1892 Denial of service in n/a

What is CVE-2009-1892?

CVE-2009-1892 is a medium-severity denial of service vulnerability in n/a, published on 17 Jul 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

dhcpd in ISC DHCP 3.0.4 and 3.1.1, when the dhcp-client-identifier and hardware ethernet configuration settings are both used, allows remote attackers to cause a denial of service (daemon crash) via unspecified requests.

Weakness: CWE-16

Which versions are affected by CVE-2009-1892?

It affects 1 product.

Products include Isc Dhcp.

How do I fix CVE-2009-1892?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2009-1892 being exploited?

There is no known exploitation of CVE-2009-1892 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2009-0692 Memory corruption in n/a Critical 10.0
• CVE-2011-0413 Denial of service in n/a High 7.8
• CVE-2018-5732 A specially constructed response from a malicious server can cause a buffer overflow in dhclient High 7.5
• CVE-2009-1893 Path traversal in n/a Medium 6.9
• CVE-2011-4868 Null dereference in n/a Medium 6.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2009-1892, GHSA-q526-8q52-r7jc.