Wireshark up to 2.6.20/3.0.13/3.2.6 TCP Dissector packet-tcp.c Checksum 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 (≈)
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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-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Wireshark up to 2.6.20/3.0.13/3.2.6. The impacted element is an unknown function of the file epan/dissectors/packet-tcp.c of the component TCP Dissector. The manipulation as part of Checksum results in denial of service. This vulnerability is reported as CVE-2020-25862. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Wireshark up to 2.6.20/3.0.13/3.2.6 (Packet Analyzer Software). It has been classified as problematic. Affected is an unknown part of the file epan/dissectors/packet-tcp.c of the component TCP Dissector. The manipulation as part of a Checksum 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.

The weakness was disclosed 10/07/2020. The advisory is shared for download at gitlab.com. This vulnerability is traded as CVE-2020-25862. There are known technical details, but no exploit is available.

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

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

Productinfo

Type

Name

Version

License

Website

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

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

NVD Base Score: 🔍

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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: gitlab.com

Timelineinfo

09/23/2020 🔍
10/07/2020 +14 days 🔍
10/07/2020 +0 days 🔍
11/16/2020 +40 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: gitlab.com
Status: Not defined

CVE: CVE-2020-25862 (🔍)
GCVE (CVE): GCVE-0-2020-25862
GCVE (VulDB): GCVE-100-162312

Entryinfo

Created: 10/07/2020 07:39
Updated: 11/16/2020 20:53
Changes: 10/07/2020 07:39 (15), 10/07/2020 07:40 (25), 11/15/2020 10:21 (4), 11/16/2020 20:49 (2), 11/16/2020 20:53 (14)
Complete: 🔍
Cache ID: 216::103

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