CVE-2020-12740

Public Exploit

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.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.51%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/appneta/tcpreplay/issues/576 issue tracking exploit third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4YAT4AGTHQKB74ETOQPJMV67TSDIAPOC/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UOSEIQ3D2OONCJEVMGC2TYBC2QX4E5EJ/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-12740?
CVE-2020-12740 has been scored as a critical severity vulnerability.
How to fix CVE-2020-12740?
To fix CVE-2020-12740, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-12740 being actively exploited in the wild?
It is possible that CVE-2020-12740 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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