Wireshark up to 3.2.8/3.4.0 USB HID Protocol Dissector denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.0 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Wireshark up to 3.2.8/3.4.0 and classified as problematic. This affects an unknown part of the component USB HID Protocol Dissector. Performing a manipulation results in denial of service. This vulnerability was named CVE-2020-26421. The attack may be initiated remotely. There is no available exploit. It is suggested to install a patch to address this issue.
Details
A vulnerability classified as problematic has been found in Wireshark up to 3.2.8/3.4.0 (Packet Analyzer Software). This affects an unknown part of the component USB HID Protocol Dissector. The manipulation with an unknown input 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 presented 12/12/2020. The advisory is shared at wireshark.org. This vulnerability is uniquely identified as CVE-2020-26421. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at gitlab.com.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Name
Version
License
Website
- Product: https://www.wireshark.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.2VulDB Meta Temp Score: 4.1
VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: 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 |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: gitlab.com
Timeline
10/01/2020 🔍12/12/2020 🔍
12/12/2020 🔍
12/16/2020 🔍
Sources
Product: wireshark.orgAdvisory: wireshark.org
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2020-26421 (🔍)
GCVE (CVE): GCVE-0-2020-26421
GCVE (VulDB): GCVE-100-166113
Entry
Created: 12/12/2020 07:48Updated: 12/16/2020 17:11
Changes: 12/12/2020 07:48 (39), 12/16/2020 17:04 (5), 12/16/2020 17:11 (19)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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