CVE-2018-18407: broadcom tcpreplay Out-of-bounds Read
CVSS: 5.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-18407DEBIAN-CVE-2018-18407
Published 17-10-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-18407 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in broadcom tcpreplay. EPSS estimates a 1.24% chance of exploitation in the next 30 days, higher than 68.6% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
5.5/10
010
Medium · v3.0 (NVD)EPSS score
1.24%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github
Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 17-10-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.24%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
0.00 pp
From 1.24% on 18-09-2026
18-09-202618-10-2026
EPSS score1.24%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundTcpreplay
Maturity: poc
Covering360
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Broadcom1 product
- tcpreplay4.3.0:beta1
Debian1 product
- tcpreplay< 4.3.1-1
Fedoraproject1 product
- fedoraEOL28 | 29
Ubuntu1 product
- tcpreplay< 3.4.4-2+deb8u1ubuntu0.1~esm1 | < 4.2.6-1ubuntu0.1~esm1
4 vendors · 4 products
References
8 links- github.com/SegfaultMasters/covering360/blob/master/tcpreplay/README.mdX Refsource MISCExploitThird Party AdvisoryREPORT
