CVE-2007-5365

NameCVE-2007-5365
DescriptionStack-based buffer overflow in the cons_options function in options.c in dhcpd in OpenBSD 4.0 through 4.2, and some other dhcpd implementations based on ISC dhcp-2, allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a DHCP request specifying a maximum message size smaller than the minimum IP MTU.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-1388-1, DSA-1388-3
Debian Bugs446354

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dhcpsourcesarge2.0pl5-19.1sarge3DSA-1388-1
dhcpsourceetch2.0pl5-19.5etch2DSA-1388-3
dhcpsource(unstable)2.0pl5dfsg1-20.2medium446354
dhcp3source(unstable)(not affected)

Notes

- dhcp3 <not-affected> (dhcp3 does enforce a fixed minimum paket size if it is lower, see line 513 in options.c)
dhcp has a request for removal #446386

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