Use After Free in Broadcom Tcpreplay
CVE-2018-18408
A use-after-free was discovered in the tcpbridge binary of Tcpreplay 4.3.0 beta1. The issue gets triggered in the function post_args() at tcpbridge.c, causing a denial of service or possibly unspecified other impact.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.023 (82.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Broadcom Tcpreplay — versions 4.3.0
- Fedoraproject Fedora — versions 28, 29
Weakness classification (CWE)
References
- github.com/appneta/tcpreplay/issues/489 (Patch, Third Party Advisory)
- github.com/SegfaultMasters/covering360/blob/master/tcpreplay/README.md (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2018-18408?
- CVE-2018-18408 is a critical-severity vulnerability in Broadcom Tcpreplay, classified under Use After Free. CVSS score: 9.8/10. Published 2018-10-17.
- How severe is CVE-2018-18408?
- Critical severity. CVSS v3 base score is 9.8 out of 10.