gsd-2021-22897
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
curl 7.61.0 through 7.76.1 suffers from exposure of data element to wrong session due to a mistake in the code for CURLOPT_SSL_CIPHER_LIST when libcurl is built to use the Schannel TLS library. The selected cipher set was stored in a single "static" variable in the library, which has the surprising side-effect that if an application sets up multiple concurrent transfers, the last one that sets the ciphers will accidentally control the set used by all transfers. In a worst-case scenario, this weakens transport security significantly.
Aliases
Aliases
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In a worst-case scenario, this weakens transport security significantly.", "id": "GSD-2021-22897", "references": [ "https://www.suse.com/security/cve/CVE-2021-22897.html", "https://security.archlinux.org/CVE-2021-22897" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2021-22897" ], "details": "curl 7.61.0 through 7.76.1 suffers from exposure of data element to wrong session due to a mistake in the code for CURLOPT_SSL_CIPHER_LIST when libcurl is built to use the Schannel TLS library. The selected cipher set was stored in a single \"static\" variable in the library, which has the surprising side-effect that if an application sets up multiple concurrent transfers, the last one that sets the ciphers will accidentally control the set used by all transfers. 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The selected cipher set was stored in a single \"static\" variable in the library, which has the surprising side-effect that if an application sets up multiple concurrent transfers, the last one that sets the ciphers will accidentally control the set used by all transfers. 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En el peor de los casos, esto debilita significativamente la seguridad del transporte" } ], "id": "CVE-2021-22897", "lastModified": "2024-03-27T15:47:40.347", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0" }, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2021-06-11T16:15:10.963", "references": [ { "source": "support@hackerone.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf" }, { "source": "support@hackerone.com", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://curl.se/docs/CVE-2021-22897.html" }, { "source": "support@hackerone.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/curl/curl/commit/bbb71507b7bab52002f9b1e0880bed6a32834511" }, { "source": "support@hackerone.com", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ], "url": "https://hackerone.com/reports/1172857" }, { "source": "support@hackerone.com", "tags": [ "Third Party Advisory" ], "url": "https://security.netapp.com/advisory/ntap-20210727-0007/" }, { "source": "support@hackerone.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://www.oracle.com//security-alerts/cpujul2021.html" }, { "source": "support@hackerone.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html" }, { "source": "support@hackerone.com", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://www.oracle.com/security-alerts/cpujan2022.html" } ], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Analyzed", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-668" } ], "source": "nvd@nist.gov", "type": "Primary" }, { "description": [ { "lang": "en", "value": "CWE-840" } ], "source": "support@hackerone.com", "type": "Secondary" } ] } } } }
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.