Vulnerability 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.
CVSS Score
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Broadcom | Tcpreplay | <= 4.3.2 |
| Fedoraproject | Fedora | 31 |
Related Weaknesses (CWE)
References
- https://github.com/appneta/tcpreplay/issues/576ExploitIssue TrackingThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://github.com/appneta/tcpreplay/issues/576ExploitIssue TrackingThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2020-12740?
CVE-2020-12740 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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.
How severe is CVE-2020-12740?
CVE-2020-12740 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-12740?
Check the references section above for vendor advisories and patch information. Affected products include: Broadcom Tcpreplay, Fedoraproject Fedora.