VDB-162314 · CVE-2020-25866 · GCVE-0-2020-25866

Wireshark up to 3.0.13/3.2.6 BLIP Protocol Dissector packet-blip.c 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.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Wireshark up to 3.0.13/3.2.6. This impacts an unknown function of the file epan/dissectors/packet-blip.c of the component BLIP Protocol Dissector. Such manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2020-25866. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Wireshark up to 3.0.13/3.2.6 (Packet Analyzer Software). It has been rated as problematic. Affected by this issue is an unknown code block of the file epan/dissectors/packet-blip.c of the component BLIP Protocol Dissector. 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 weakness was shared 10/07/2020. The advisory is available at wireshark.org. This vulnerability is handled as CVE-2020-25866. Technical details are known, but there is no available exploit.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at gitlab.com.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: gitlab.com

Timelineinfo

09/24/2020 🔍
10/07/2020 +13 days 🔍
10/07/2020 +0 days 🔍
11/16/2020 +40 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: wireshark.org
Status: Not defined

CVE: CVE-2020-25866 (🔍)
GCVE (CVE): GCVE-0-2020-25866
GCVE (VulDB): GCVE-100-162314

Entryinfo

Created: 10/07/2020 07:40
Updated: 11/16/2020 21:17
Changes: 10/07/2020 07:40 (14), 10/07/2020 07:45 (25), 11/15/2020 10:21 (4), 11/16/2020 21:12 (2), 11/16/2020 21:17 (14)
Complete: 🔍
Cache ID: 216::103