tcpreplay 4.4.4 Tcprewrite cidr.c mask_cidr6 null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability was found in tcpreplay 4.4.4. It has been classified as problematic. The affected element is the function mask_cidr6 of the file cidr.c of the component Tcprewrite Handler. The manipulation leads to null pointer dereference.
This vulnerability is referenced as CVE-2023-43279. Remote exploitation of the attack is possible. No exploit is available.
Details
A vulnerability was found in tcpreplay 4.4.4. It has been rated as problematic. This issue affects the function mask_cidr6 of the file cidr.c of the component Tcprewrite Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:
Null Pointer Dereference in mask_cidr6 component at cidr.c in Tcpreplay 4.4.4 allows attackers to crash the application via crafted tcprewrite command.
The weakness was published 03/13/2024 as 824. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-43279 since 09/18/2023. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 214723 (Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : Tcpreplay vulnerabilities (USN-7231-1)), which helps to determine the existence of the flaw in a target environment.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at Tenable (214723). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.4
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 6.5
CNA Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Nessus ID: 214723
Nessus Name: Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : Tcpreplay vulnerabilities (USN-7231-1)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
09/18/2023 🔍03/13/2024 🔍
03/13/2024 🔍
04/16/2025 🔍
Sources
Advisory: 824Status: Confirmed
CVE: CVE-2023-43279 (🔍)
GCVE (CVE): GCVE-0-2023-43279
GCVE (VulDB): GCVE-100-256625
Entry
Created: 03/13/2024 07:08Updated: 04/16/2025 02:10
Changes: 03/13/2024 07:08 (40), 11/01/2024 00:18 (27), 01/29/2025 02:12 (2), 04/16/2025 02:10 (3)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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