CVE-2021-22897
Vulnerability from cvelistv5
Published
2021-06-11 15:49
Modified
2024-08-03 18:58
Severity ?
Summary
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.
References
support@hackerone.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
support@hackerone.comhttps://curl.se/docs/CVE-2021-22897.htmlPatch, Vendor Advisory
support@hackerone.comhttps://github.com/curl/curl/commit/bbb71507b7bab52002f9b1e0880bed6a32834511Patch, Third Party Advisory
support@hackerone.comhttps://hackerone.com/reports/1172857Exploit, Issue Tracking, Third Party Advisory
support@hackerone.comhttps://security.netapp.com/advisory/ntap-20210727-0007/Third Party Advisory
support@hackerone.comhttps://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
support@hackerone.comhttps://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
support@hackerone.comhttps://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
Impacted products
n/ahttps://github.com/curl/curl
Show details on NVD website

To clipboard 

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}


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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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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
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