Wireshark up to 3.2.8/3.4.0 RTPS Protocol Dissector memory leak
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.2 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in Wireshark up to 3.2.8/3.4.0. Affected by this issue is some unknown functionality of the component RTPS Protocol Dissector. Such manipulation leads to memory leak. This vulnerability is uniquely identified as CVE-2020-26420. The attack can be launched remotely. No exploit exists. Applying a patch is advised to resolve this issue.
Details
A vulnerability was found in Wireshark up to 3.2.8/3.4.0 (Packet Analyzer Software). It has been rated as problematic. Affected by this issue is some unknown functionality of the component RTPS Protocol Dissector. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability.
The weakness was disclosed 12/12/2020. The advisory is shared for download at wireshark.org. This vulnerability is handled as CVE-2020-26420. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.
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.
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: 4.2
VulDB Base Score: 3.1
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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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: Memory leakCWE: CWE-401 / 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: Not defined
Confirmation: 🔍
CVE: CVE-2020-26420 (🔍)
GCVE (CVE): GCVE-0-2020-26420
GCVE (VulDB): GCVE-100-166112
Entry
Created: 12/12/2020 07:48Updated: 12/16/2020 16:59
Changes: 12/12/2020 07:48 (39), 12/16/2020 16:54 (2), 12/16/2020 16:59 (19)
Complete: 🔍
Cache ID: 216::103
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