Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade curl
to version 8.6.0 or higher.
curl is a command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET and TFTP. libcurl offers a myriad of powerful features.
Affected versions of this package are vulnerable to Improper Check for Certificate Revocation due to improper handling of SSL session IDs when an OCSP stapling test fails. An attacker can bypass OCSP verification and establish a secure connection using a previously cached session ID, which should have been invalidated.
Notes: The project maintainer recommend the following to avoid this vulnerability.
Apply the patch to your local version
Do not use curl built to use OpenSSL
Do not allow TLS 1.2 for your transfers