CVE-2020-12740

CRITICAL

Tcpreplay <4.3.2 - Buffer Overflow

Title source: llm
STIX 2.1

Description

tcprewrite in Tcpreplay through 4.3.2 has a heap-based buffer over-read during a get_c operation. The issue is being triggered in the function get_ipv6_next() at common/get.c.

References (3)

Core 3
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/appneta/tcpreplay/issues/576

Scores

CVSS v3 9.1
EPSS 0.0051
EPSS Percentile 66.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Details

CWE
CWE-125
Status published
Products (3)
broadcom/tcpreplay < 4.3.2
fedoraproject/fedora 31
fedoraproject/fedora 32
Published May 08, 2020
Tracked Since Feb 18, 2026