VDB-150719 · CVE-2020-9429 · GCVE-0-2020-9429

Wireshark 3.2.0/3.2.1 WireGuard Dissector packet-wireguard.c Null Value null pointer dereference

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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Wireshark 3.2.0/3.2.1. This affects an unknown function of the file epan/dissectors/packet-wireguard.c of the component WireGuard Dissector. The manipulation as part of Null Value leads to null pointer dereference. This vulnerability is traded as CVE-2020-9429. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Wireshark 3.2.0/3.2.1 (Packet Analyzer Software) and classified as problematic. This issue affects some unknown functionality of the file epan/dissectors/packet-wireguard.c of the component WireGuard Dissector. The manipulation as part of a Null Value 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:

In Wireshark 3.2.0 to 3.2.1, the WireGuard dissector could crash. This was addressed in epan/dissectors/packet-wireguard.c by handling the situation where a certain data structure intentionally has a NULL value.

The weakness was shared 02/27/2020. The identification of this vulnerability is CVE-2020-9429 since 02/27/2020. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-150718, VDB-150721 and VDB-150720 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Packet Analyzer Software

Name

Wireshark

Version

License

open-source

Website

Product: https://www.wireshark.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.5
NVD 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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: 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
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 73c5fff899f253c44a72657048aec7db6edee571

Timelineinfo

02/27/2020 🔍
02/27/2020 +0 days 🔍
02/28/2020 +1 days 🔍
04/07/2024 +1500 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: bugs.wireshark.org
Status: Not defined

CVE: CVE-2020-9429 (🔍)
GCVE (CVE): GCVE-0-2020-9429
GCVE (VulDB): GCVE-100-150719
See also: 🔍

Entryinfo

Created: 02/28/2020 15:39
Updated: 04/07/2024 13:22
Changes: 02/28/2020 15:39 (37), 02/28/2020 15:44 (18), 04/07/2024 13:22 (19)
Complete: 🔍
Cache ID: 216::103