CVE-2020-8289 (GCVE-0-2020-8289)
Vulnerability from cvelistv5 – Published: 2020-12-27 01:20 – Updated: 2024-08-04 09:56
VLAI
EPSS
VEX
Summary
Backblaze for Windows before 7.0.1.433 and Backblaze for macOS before 7.0.1.434 suffer from improper certificate validation in `bztransmit` helper due to hardcoded whitelist of strings in URLs where validation is disabled leading to possible remote code execution via client update functionality.
Severity
7.8 (High)
CWE
- CWE-295 - Improper Certificate Validation (CWE-295)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://hackerone.com/reports/818853 | x_refsource_MISC |
| https://youtu.be/W0THXbcX5V8 | x_refsource_MISC |
| https://github.com/geffner/CVE-2020-8289/blob/mas… | x_refsource_MISC |
| https://www.backblaze.com/blog/backblaze-cloud-ba… | x_refsource_MISC |
| http://seclists.org/fulldisclosure/2020/Dec/57 | mailing-listx_refsource_FULLDISC |
| http://seclists.org/fulldisclosure/2020/Dec/58 | mailing-listx_refsource_FULLDISC |
Impacted products
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}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
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