Wireshark up to 3.6.13/4.0.5 Candump Log Parser denial of service

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-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Wireshark up to 3.6.13/4.0.5. Impacted is an unknown function of the component Candump Log Parser. This manipulation causes denial of service. The identification of this vulnerability is CVE-2023-2855. The attack can only be executed locally. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Wireshark up to 3.6.13/4.0.5 (Packet Analyzer Software). Affected by this vulnerability is an unknown code of the component Candump Log Parser. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

Candump log parser crash in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via crafted capture file

The weakness was shared 05/27/2023 as 19062. It is possible to read the advisory at gitlab.com. This vulnerability is known as CVE-2023-2855 since 05/24/2023. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 207910 (Debian dla-3906 : libwireshark-data - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.6.14 or 4.0.6 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (207910) and EUVD (EUVD-2023-34305). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (GitLab Inc.): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 207910
Nessus Name: Debian dla-3906 : libwireshark-data - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Wireshark 3.6.14/4.0.6

Timelineinfo

05/24/2023 🔍
05/27/2023 +3 days 🔍
05/27/2023 +0 days 🔍
05/07/2026 +1076 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: 19062
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-2855 (🔍)
GCVE (CVE): GCVE-0-2023-2855
GCVE (VulDB): GCVE-100-230059
EUVD: 🔍

Entryinfo

Created: 05/27/2023 08:17
Updated: 05/07/2026 10:48
Changes: 05/27/2023 08:17 (50), 06/21/2023 10:31 (11), 10/02/2024 19:28 (17), 01/15/2025 18:43 (1), 12/19/2025 03:33 (1), 05/07/2026 10:45 (2), 05/07/2026 10:48 (3)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!