CVE-2013-4314

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…

published September 30, 2013

CVSS
—
EPSS
1%
Percentile
67.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01197 · 67.9th percentile
Published
2013-09-30T21:00Z
EPSS history
Timeline
  • 30 SEP 21:00Z
    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…
    cvelistv5