Vulnerability · Published May 8, 2020 · Assigned by mitre

CVE-2020-12740

Critical 9.1

In plain English

A critical-severity security flaw in the tcpreplay package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)9.1Critical
Exploit odds (30 days)1.7%top 22.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12tcpreplay4.3.3-1DEBIAN-CVE-2020-12740
Debian:13tcpreplay4.3.3-1DEBIAN-CVE-2020-12740
Debian:14tcpreplay4.3.3-1DEBIAN-CVE-2020-12740

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References