tcpreplay tcpprep cidr.c mask_cidr6 heap-based overflow

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Summary

CVECVE-2025-9019
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-08-15 07:15:29 UTC
Updated2026-04-29 01:00:01 UTC
DescriptionA vulnerability has been found in tcpreplay 4.5.1. This vulnerability affects the function mask_cidr6 of the file cidr.c of the component tcpprep. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The researcher is able to reproduce this with the latest official release 4.5.1 and the current master branch. The code maintainer cannot reproduce this for 4.5.2-beta1. In his reply the maintainer explains that "[i]n that case, this is a duplicate that was fixed in 4.5.2."

Risk And Classification

Primary CVSS: v4.0 1.3 LOW from [email protected]

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-119 | CWE-122 | CWE-787 | CWE-122 Heap-based Buffer Overflow | CWE-119 Memory Corruption

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary1.3LOWCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED2.3LOWCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Primary5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1[email protected]Secondary3.1LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
3.1CNADECLARED3.1LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C
3.0CNADECLARED3.1LOWCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C
2.0[email protected]Secondary2.6AV:N/AC:H/Au:N/C:N/I:N/A:P
2.0CNADECLARED2.6AV:N/AC:H/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Attack Requirements
None
Privileges Required
None
User Interaction
Passive
Confidentiality
None
Integrity
None
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Broadcom Tcpreplay 4.5.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Tcpreplay affected 4.5.1 Not specified

References

ReferenceSourceLinkTags
drive.google.com/file/d/13SQYVIb_YQoRfaJaaLf6iLtMiCRCHlBc/view [email protected] drive.google.com Exploit
vuldb.com [email protected] vuldb.com Permissions Required, VDB Entry
vuldb.com [email protected] vuldb.com Third Party Advisory, VDB Entry
github.com/appneta/tcpreplay/issues/958 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com Exploit, Issue Tracking, Patch, Vendor Advisory
vuldb.com [email protected] vuldb.com Exploit, Third Party Advisory, VDB Entry
vuldb.com 134c704f-9b21-4f2e-91b3-4a467353bcc0 vuldb.com Exploit, Third Party Advisory, VDB Entry
github.com/appneta/tcpreplay/issues/959 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com Exploit, Issue Tracking, Vendor Advisory
vuldb.com [email protected] vuldb.com Exploit, Third Party Advisory, VDB Entry
vuldb.com [email protected] vuldb.com Exploit, Third Party Advisory, VDB Entry
github.com/appneta/tcpreplay/issues/958 [email protected] github.com Exploit, Issue Tracking, Patch, Vendor Advisory
vuldb.com [email protected] vuldb.com Exploit, Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: nipc-cxd (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2025-08-14T00:00:00.000ZAdvisory disclosed
CNA2025-08-14T02:00:00.000ZVulDB entry created
CNA2025-08-14T07:55:48.000ZVulDB entry last update
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