CVE-2023-2855

wireshark: Candump log file parser crash

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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

La falla del analizador de registros de Candump en Wireshark 4.0.0 a 4.0.5 y 3.6.0 a 3.6.13 permite la denegación de servicio a través de un archivo de captura manipulado

A flaw was found in the Candump log file parser of Wireshark. This issue occurs when decoding malformed packets from a pcap file or from the network, causing a buffer overflow, resulting in a denial of service.

*Credits: Huascar Tejeda

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-05-24 CVE Reserved
2023-05-25 CVE Published
2024-08-02 CVE Updated
2024-08-02 First Exploit
2024-08-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-121: Stack-based Buffer Overflow
CWE-787: Out-of-bounds Write

CAPEC

References (7)

URL	Tag	Source
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2855.json	Third Party Advisory

URL	Date	SRC
https://gitlab.com/wireshark/wireshark/-/issues/19062	2024-08-02

URL	Date	SRC

URL	Date	SRC
https://security.gentoo.org/glsa/202309-02	2023-10-20
https://www.debian.org/security/2023/dsa-5429	2023-10-20
https://www.wireshark.org/security/wnpa-sec-2023-12.html	2023-10-20
https://access.redhat.com/security/cve/CVE-2023-2855	2023-11-07
https://bugzilla.redhat.com/show_bug.cgi?id=2210822	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				>= 3.6.0 < 3.6.14 Search vendor "Wireshark" for product "Wireshark" and version " >= 3.6.0 < 3.6.14"		-		Affected
Wireshark Search vendor "Wireshark"		Wireshark Search vendor "Wireshark" for product "Wireshark"				>= 4.0.0 < 4.0.6 Search vendor "Wireshark" for product "Wireshark" and version " >= 4.0.0 < 4.0.6"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				12.0 Search vendor "Debian" for product "Debian Linux" and version "12.0"		-		Affected