TCPprep 4.4.3 list.c parse_list denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in TCPprep 4.4.3 and classified as problematic. This vulnerability affects the function parse_list of the file list.c. The manipulation results in denial of service. This vulnerability was named CVE-2023-27787. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, was found in TCPprep 4.4.3. Affected is the function parse_list of the file list.c. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

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.

The weakness was presented 03/16/2023 as 788. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2023-27787 since 03/05/2023. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

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 databases at Tenable (214723) and EUVD (EUVD-2023-31523). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/05/2023 🔍
03/16/2023 +11 days 🔍
03/16/2023 +0 days 🔍
11/23/2025 +983 days 🔍

Sourcesinfo

Advisory: 788
Status: Confirmed

CVE: CVE-2023-27787 (🔍)
GCVE (CVE): GCVE-0-2023-27787
GCVE (VulDB): GCVE-100-223248
EUVD: 🔍

Entryinfo

Created: 03/16/2023 20:35
Updated: 11/23/2025 17:05
Changes: 03/16/2023 20:35 (39), 04/11/2023 07:11 (11), 01/29/2025 02:12 (17), 11/23/2025 17:05 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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