CVE-2019-8377: broadcom tcpreplay NULL Pointer Dereference
Vulnerability summary
CVE-2019-8377 is a high (CVSS 7.8) NULL Pointer Dereference vulnerability in broadcom tcpreplay. EPSS estimates a 1.33% chance of exploitation in the next 30 days, higher than 70.5% of scored vulnerabilities. 2 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 17-02-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in Tcpreplay 4.3.1. A NULL pointer dereference occurred in the function get_ipv6_l4proto() located at get.c. This can be triggered by sending a crafted pcap file to the tcpreplay-edit binary. It allows an attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.33%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
0.00 pp
From 1.33% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundTcpreplay
Maturity: poc
Exploit Reference (research.loginsoft.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Broadcom1 product
- tcpreplay4.3.1
Debian1 product
- tcpreplay< 4.3.1-2
Fedoraproject1 product
- fedoraEOL28 | 29 | 30 | 31 | 32
Ubuntu1 product
- tcpreplayAll versions (No fix recorded)
4 vendors · 4 products
References
11 links- github.com/appneta/tcpreplay/issues/536X Refsource MISCREPORTExploitIssue TrackingThird Party Advisory
