Wireshark up to 3.2.7 Facebook Zero Protocol Dissector packet-fbzero.c by infinite loop
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in Wireshark up to 3.2.7. Affected by this vulnerability is an unknown functionality of the file epan/dissectors/packet-fbzero.c by of the component Facebook Zero Protocol Dissector. Executing a manipulation can lead to infinite loop. This vulnerability is handled as CVE-2020-26575. There is not any exploit available. It is advisable to implement a patch to correct this issue.
Details
A vulnerability classified as problematic was found in Wireshark up to 3.2.7 (Packet Analyzer Software). This vulnerability affects an unknown function of the file epan/dissectors/packet-fbzero.c by of the component Facebook Zero Protocol Dissector. The manipulation with an unknown input leads to a infinite loop vulnerability. The CWE definition for the vulnerability is CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. As an impact it is known to affect availability.
The weakness was released 10/07/2020. The advisory is shared for download at gitlab.com. This vulnerability was named CVE-2020-26575. 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.
Once again VulDB remains the best source for 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: 5.5VulDB Meta Temp Score: 5.4
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
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: Infinite loopCWE: CWE-835 / 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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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: gitlab.com
Timeline
10/06/2020 🔍10/07/2020 🔍
10/07/2020 🔍
11/16/2020 🔍
Sources
Product: wireshark.orgAdvisory: gitlab.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2020-26575 (🔍)
GCVE (CVE): GCVE-0-2020-26575
GCVE (VulDB): GCVE-100-162316
Entry
Created: 10/07/2020 08:29Updated: 11/16/2020 21:41
Changes: 10/07/2020 08:29 (25), 10/07/2020 08:32 (13), 11/15/2020 10:21 (4), 11/16/2020 21:34 (3), 11/16/2020 21:41 (14)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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