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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.012 (68.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · 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/488 (Exploit, Patch, Third Party Advisory)
- github.com/SegfaultMasters/covering360/blob/master/tcpreplay/README.md (Exploit, 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-2018-18407?
- 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.