{"id":"CVE-2020-8289","state":"PUBLISHED","title":"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 str","description":"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.","publishedAt":"2020-12-27T01:20:50.000Z","updatedAt":"2024-08-04T09:56:28.315Z","severity":null,"assigner":"hackerone","products":["n/a Backblaze"],"affected":[{"vendor":"n/a","product":"Backblaze","versions":[{"version":"Backblaze for Windows before 7.0.1.433 and Backblaze for macOS before 7.0.1.434","status":"affected"}]}],"references":["https://hackerone.com/reports/818853","https://youtu.be/W0THXbcX5V8","https://github.com/geffner/CVE-2020-8289/blob/master/README.md","https://www.backblaze.com/blog/backblaze-cloud-backup-release-7-0-1/","http://seclists.org/fulldisclosure/2020/Dec/57","http://seclists.org/fulldisclosure/2020/Dec/58"],"weaknesses":["CWE-295"],"ingestedAt":"2026-10-29T19:47:44.297Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/8xxx/CVE-2020-8289.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-8289","state":"PUBLISHED","datePublished":"2020-12-27T01:20:50.000Z","dateUpdated":"2024-08-04T09:56:28.315Z","assignerShortName":"hackerone","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateReserved":"2020-01-28T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"n/a","product":"Backblaze","versions":[{"version":"Backblaze for Windows before 7.0.1.433 and Backblaze for macOS before 7.0.1.434","status":"affected"}]}],"references":[{"url":"https://hackerone.com/reports/818853","tags":["x_refsource_MISC"]},{"url":"https://youtu.be/W0THXbcX5V8","tags":["x_refsource_MISC"]},{"url":"https://github.com/geffner/CVE-2020-8289/blob/master/README.md","tags":["x_refsource_MISC"]},{"url":"https://www.backblaze.com/blog/backblaze-cloud-backup-release-7-0-1/","tags":["x_refsource_MISC"]},{"url":"http://seclists.org/fulldisclosure/2020/Dec/57","name":"20201229 Re: [FD] CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze","tags":["mailing-list","x_refsource_FULLDISC"]},{"url":"http://seclists.org/fulldisclosure/2020/Dec/58","name":"20201229 Re: CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze","tags":["mailing-list","x_refsource_FULLDISC"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-295","description":"Improper Certificate Validation (CWE-295)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"hackerone","dateUpdated":"2020-12-29T10:06:13.000Z","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"support@hackerone.com","ID":"CVE-2020-8289","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Backblaze","version":{"version_data":[{"version_value":"Backblaze for Windows before 7.0.1.433 and Backblaze for macOS before 7.0.1.434"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Improper Certificate Validation (CWE-295)"}]}]},"references":{"reference_data":[{"name":"https://hackerone.com/reports/818853","refsource":"MISC","url":"https://hackerone.com/reports/818853"},{"name":"https://youtu.be/W0THXbcX5V8","refsource":"MISC","url":"https://youtu.be/W0THXbcX5V8"},{"name":"https://github.com/geffner/CVE-2020-8289/blob/master/README.md","refsource":"MISC","url":"https://github.com/geffner/CVE-2020-8289/blob/master/README.md"},{"name":"https://www.backblaze.com/blog/backblaze-cloud-backup-release-7-0-1/","refsource":"MISC","url":"https://www.backblaze.com/blog/backblaze-cloud-backup-release-7-0-1/"},{"name":"20201229 Re: [FD] CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze","refsource":"FULLDISC","url":"http://seclists.org/fulldisclosure/2020/Dec/57"},{"name":"20201229 Re: CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze","refsource":"FULLDISC","url":"http://seclists.org/fulldisclosure/2020/Dec/58"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://hackerone.com/reports/818853","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://youtu.be/W0THXbcX5V8","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/geffner/CVE-2020-8289/blob/master/README.md","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.backblaze.com/blog/backblaze-cloud-backup-release-7-0-1/","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://seclists.org/fulldisclosure/2020/Dec/57","name":"20201229 Re: [FD] CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"]},{"url":"http://seclists.org/fulldisclosure/2020/Dec/58","name":"20201229 Re: CVE-2020-8150 - Remote Code Execution as SYSTEM/root via Backblaze","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T09:56:28.315Z"}}]}}}