DescriptionThe ip_evictor function in ip_fragment.c in libnids before 1.24, as used in dsniff and possibly other products, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via crafted fragmented packets.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs576281

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libnids (PTS)stretch1.23-2.1fixed
bullseye, sid1.25-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[lenny] - libnids <no-dsa> (Minor issue)
dsniff is the only software in Debian using this lib so the impact is pretty minor

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