CVE-2018-14938

NameCVE-2018-14938
DescriptionAn issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an integer overflow in the function handle_prism during caplen processing. If the caplen is less than 144, one can cause an integer overflow in the function handle_80211, which will result in an out-of-bounds read and may allow access to sensitive memory (or a denial of service).
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 (attack range: remote)
Debian Bugs905483

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tcpflow (PTS)jessie1.4.4+repack1-3vulnerable
stretch1.4.5+repack1-3vulnerable
buster, sid1.5.2+repack1-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tcpflowsource(unstable)(unfixed)medium905483

Notes

[stretch] - tcpflow <no-dsa> (Minor issue)
[jessie] - tcpflow <no-dsa> (Minor issue)
https://github.com/simsong/tcpflow/commit/a4e1cd14eb5ccc51ed271b65b3420f7d692c40eb
https://github.com/simsong/tcpflow/issues/182

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