CVE-2020-12740: Critical severity tcpreplay vulnerability
Published May 8, 2020
·Updated
tcprewrite in Tcpreplay through 4.3.2 has a heap-based buffer over-read during a getc operation. The issue is being triggered in the function getipv6next() at common/get.c.
Affected Software
3 affected components
Broadcom Tcpreplay<=4.3.2
fedoraproject fedora=31
fedoraproject fedora=32
Event History
May 8, 2020
CVE Published
via MITRE·05:03 PM
Data Sourced
via MITRE·05:03 PM
Description
Frequently Asked Questions
1
What is CVE-2020-12740?
CVE-2020-12740 is a vulnerability in Tcpreplay that allows for a heap-based buffer over-read during a get_c operation.
2
What is the severity of CVE-2020-12740?
CVE-2020-12740 has a severity rating of 9.1 (Critical).
3
How does CVE-2020-12740 affect Broadcom Tcpreplay?
CVE-2020-12740 affects Broadcom Tcpreplay version 4.3.2.
4
How does CVE-2020-12740 affect Fedora?
CVE-2020-12740 affects Fedora versions 31 and 32.
5
How can I fix CVE-2020-12740?
To fix CVE-2020-12740, update Tcpreplay to version 4.3.3 or higher.