Out-of-bounds Read Affecting tcpreplay package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.36% (73rd percentile)

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  • Snyk IDSNYK-UBUNTU2004-TCPREPLAY-1146472
  • published1 Nov 2020
  • disclosed8 May 2020

Introduced: 8 May 2020

CVE-2020-12740  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:20.04 tcpreplay.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tcpreplay package and not the tcpreplay package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

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.

CVSS Scores

version 3.1