Out-of-bounds Read Affecting tcpreplay package, versions <4.3.3-1


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.36% (72nd percentile)

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  • Snyk IDSNYK-DEBIAN12-TCPREPLAY-1561036
  • published8 May 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?

Upgrade Debian:12 tcpreplay to version 4.3.3-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tcpreplay package and not the tcpreplay package as distributed by Debian. See How to fix? for Debian:12 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