Out-of-bounds Read in Broadcom Tcpreplay
CVE-2018-18407
A heap-based buffer over-read was discovered in the tcpreplay-edit binary of Tcpreplay 4.3.0 beta1, during the incremental checksum operation. The issue gets triggered in the function csum_replace4() in incremental_checksum.h, causing a denial of service.
Vulnerability class: Buffer Overflow
EPSS: 0.012 (66.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Broadcom Tcpreplay — versions 4.3.0
- Fedoraproject Fedora — versions 28, 29
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
Frequently asked questions
- What is CVE-2018-18407?
- CVE-2018-18407 is a medium-severity vulnerability in Broadcom Tcpreplay, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2018-10-17.
- How severe is CVE-2018-18407?
- Medium severity. CVSS v3 base score is 5.5 out of 10.