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Fencer Vulns
high 7.8

CVE-2017-6429 json

Buffer overflow in the tcpcapinfo utility in Tcpreplay before 4.2.0 Beta 1 allows remote attackers to have unspecified impact via a pcap fi…

published 2017-03-15 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-15486

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

Buffer overflow in the tcpcapinfo utility in Tcpreplay before 4.2.0 Beta 1 allows remote attackers to have unspecified impact via a pcap file with an over-size packet.

Patch / fix

  • tcpreplay openSUSE Tumbleweed 4.3.4-1.3

opensuse advisories openSUSE-SU-2024:11426-1

  • tcpreplay Arch Linux 4.2.5-1

arch linux advisories AVG-211

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-6429 updated cvss 3.3

tcpreplay: Buffer overflow in Tcpcapinfo utility

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.50% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/appneta/tcpreplay/issues/278 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.