What is CVE-2020-12740?

CVE-2020-12740 is a critical-severity vulnerability in Broadcom Tcpreplay, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2020-05-08.

How severe is CVE-2020-12740?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Out-of-bounds Read in Broadcom Tcpreplay

CVE-2020-12740

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.

Vulnerability class: Buffer Overflow

EPSS: 0.017 (73.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Broadcom Tcpreplay
Fedoraproject Fedora — versions 31, 32
N/a — versions n/a

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
cve@mitre.org (x_refsource_FEDORA, vendor-advisory)

Frequently asked questions

What is CVE-2020-12740?: CVE-2020-12740 is a critical-severity vulnerability in Broadcom Tcpreplay, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2020-05-08.
How severe is CVE-2020-12740?: Critical severity. CVSS v3 base score is 9.1 out of 10.