CVE-2017-11108

NameCVE-2017-11108
Descriptiontcpdump 4.9.0 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via crafted packet data. The crash occurs in the EXTRACT_16BITS function, called from the stp_print function for the Spanning Tree Protocol.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1090-1, DSA-3971-1
NVD severitymedium (attack range: remote)
Debian Bugs867718

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tcpdump (PTS)wheezy4.3.0-1+deb7u2vulnerable
wheezy (security)4.9.2-1~deb7u1fixed
jessie4.9.0-1~deb8u1vulnerable
jessie (security)4.9.2-1~deb8u1fixed
stretch (security), stretch4.9.2-1~deb9u1fixed
buster, sid4.9.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tcpdumpsource(unstable)4.9.1-1medium867718
tcpdumpsourcejessie4.9.2-1~deb8u1mediumDSA-3971-1
tcpdumpsourcestretch4.9.2-1~deb9u1mediumDSA-3971-1
tcpdumpsourcewheezy4.9.0-1~deb7u2mediumDLA-1090-1

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=1468504
Proposed patch: https://github.com/the-tcpdump-group/tcpdump/pull/617
https://github.com/the-tcpdump-group/tcpdump/commit/d9e65de3d94698ec90dbca42962a30dd2f0680e1 (4.9.1)

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