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Public proof of conceptFix available

CVE-2023-27787

A public proof of concept exists; no exploitation attested.

  • Published2023-03-16
  • WeaknessCWE-476

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue found in TCPprep v.4.4.3 allows a remote attacker to cause a denial of service via the parse_list function at the list.c:81 endpoint.

Timeline

dates in UTC
  1. 2023-03-1615:15CVE publishedNVD

Versions per branch

NVD
Broadcom tcpreplay
BranchAffectedFixed in
4.4= 4.4.3no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • tcpreplayUbuntu:Pro:24.04:LTSall versions · fixed in 4.4.4-1ubuntu0.1~esm1
  • tcpreplayUbuntu:Pro:22.04:LTSall versions · fixed in 4.3.4-1ubuntu0.1~esm2
  • tcpreplayUbuntu:Pro:20.04:LTSall versions · fixed in 4.3.2-1ubuntu0.1~esm3
  • tcpreplayUbuntu:Pro:18.04:LTSall versions · fixed in 4.2.6-1ubuntu0.1~esm5
  • tcpreplayUbuntu:Pro:16.04:LTSall versions · fixed in 3.4.4-2+deb8u1ubuntu0.1~esm3
  • tcpreplayMageia:8all versions · fixed in 4.4.2-1.1.mga8
  • tcpreplayDebian:14all versions · fixed in 4.4.4-1
  • tcpreplayDebian:13all versions · fixed in 4.4.4-1

1 more package range on OSV.dev

Vendor advisories

  • CVE-2023-27787 Red Hat Product Security

    net-analyzer/tcpreplay: multiple vulnerabilities

Full record on NVD

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2023-03-16
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-85q7-h847-vf82

Frequently asked questions

What is CVE-2023-27787?

An issue found in TCPprep v.4.4.3 allows a remote attacker to cause a denial of service via the parse_list function at the list.c:81 endpoint.

Is CVE-2023-27787 actively exploited?

A proof-of-concept exploit exists for CVE-2023-27787, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2023-27787?

CVE-2023-27787 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record