appneta tcpreplay up to 4.5.2-beta2 tcprewrite edit_packet.c untrunc_packet use after free

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.0	$0-$5k	0.14

Summaryinfo

A vulnerability was found in appneta tcpreplay up to 4.5.2-beta2. It has been rated as problematic. This affects the function untrunc_packet of the file src/tcpedit/edit_packet.c of the component tcprewrite. The manipulation leads to use after free. This vulnerability is uniquely identified as CVE-2025-9157. Local access is required to approach this attack. Moreover, an exploit is present. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in appneta tcpreplay up to 4.5.2-beta2. This issue affects the function untrunc_packet of the file src/tcpedit/edit_packet.c of the component tcprewrite. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2025-9157. The exploitation is known to be easy. An attack has to be approached locally. Technical details as well as a public exploit are known.

The exploit is available at drive.google.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 260108 (Linux Distros Unpatched Vulnerability : CVE-2025-9157), which helps to determine the existence of the flaw in a target environment.

Applying the patch 73008f261f1cdf7a1087dc8759115242696d35da is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (260108). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

appneta

Name

tcpreplay

Version

License

open-source

Website

Product: https://github.com/appneta/tcpreplay/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 260108
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-9157

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 73008f261f1cdf7a1087dc8759115242696d35da

Timelineinfo

08/19/2025 Advisory disclosed
08/19/2025 +0 days VulDB entry created
09/01/2025 +13 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 970
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2025-9157 (🔒)
GCVE (CVE): GCVE-0-2025-9157
GCVE (VulDB): GCVE-100-320537
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/19/2025 11:31
Updated: 09/01/2025 22:37
Changes: 08/19/2025 11:31 (61), 08/20/2025 06:36 (30), 09/01/2025 22:37 (2)
Complete: 🔍
Submitter: HeureuxBuilding
Cache ID: 216:F84:103

Submitinfo

Accepted

Submit #630495: tcpreplay tcprewrite tcpreplay version 6fcbf03 (the newest master in https://github.com/appneta/tcpreplay) Use-After-Free (by HeureuxBuilding)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.