CVE-2013-4314

Description

The X509Extension in pyOpenSSL before 0.13.1 does not properly handle a 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.

Risk Information

Base Score

7.5

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Score

Exploitation Probability

0.25

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2013-4314 are fixed in Python-pyopenssl 0.13.1	Windows
Vulnerabilities CVE-2013-4314 are fixed in Python-pyopenssl for linux 0.13.1	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234