The X509Extension in pyOpenSSL before 0.13.1 does not properly handle a '\0' character in a domain name in the Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.
Max CVSS
4.3
EPSS Score
0.15%
Published
2013-09-30
Updated
2013-12-08
1 vulnerabilities found
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