CVE-2013-6422
Description
The GnuTLS backend in libcurl 7.21.4 through 7.33.0, when disabling digital signature verification (CURLOPT_SSL_VERIFYPEER), also disables the CURLOPT_SSL_VERIFYHOST check for CN or SAN host name fields, which makes it easier for remote attackers to spoof servers and conduct man-in-the-middle (MITM) attacks.
Risk Information
Base Score
7.3
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C
EPSS Score
Exploitation Probability
0.253
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Multiple Vulnerabilities are affected in Curl For Windows 7.21.6 | Windows |
| Multiple Vulnerabilities are affected in Curl For Windows 7.21.4 | Windows |
| Multiple Vulnerabilities are affected in Curl For Windows 7.21.5 | Windows |
| Multiple Vulnerabilities are affected in Curl For Windows 7.21.7 | Windows |
| Multiple Vulnerabilities are affected in Curl For Windows 7.22.0 | Windows |
| Multiple Vulnerabilities are affected in Curl For Windows 7.23.0 | Windows |
| Multiple Vulnerabilities are affected in Curl For Windows 7.23.1 | Windows |
| Multiple Vulnerabilities are affected in Curl For Windows 7.24.0 | Windows |
| Multiple Vulnerabilities are affected in Curl For Windows 7.25.0 | Windows |
| Multiple Vulnerabilities are affected in Curl For Windows 7.26.0 | Windows |
| Multiple Vulnerabilities are affected in Curl For Windows 7.27.0 | Windows |
| Multiple Vulnerabilities are affected in Curl For Windows 7.28.0 | Windows |
| Multiple Vulnerabilities are affected in Curl For Windows 7.28.1 | Windows |
| Multiple Vulnerabilities are affected in Curl For Windows 7.29.0 | Windows |
| Multiple Vulnerabilities are affected in Curl For Windows 7.30.0 | Windows |
| Multiple Vulnerabilities are affected in Curl For Windows 7.31.0 | Windows |
| Multiple Vulnerabilities are affected in Curl For Windows 7.32.0 | Windows |
| Multiple Vulnerabilities are affected in Curl For Windows 7.33.0 | Windows |
| Vulnerabilities CVE-2013-6422 are fixed in Curl For Windows 7.34.0 | Windows |
| Improper Input Validation Vulnerability (CVE-2013-6422) | NCM |
Patch Details
No records foundReferences
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234