CVE-2013-4314
- State
- Published
- Severity
- Not scored
- Published
- Sep 30, 2013
- Updated
- Aug 6, 2024
- Reserved
- Jun 12, 2013
Description
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.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- DSA-2763vendor-advisory
- [pyOpenSSL-Users] 20130904 pyOpenSSL 0.13.1mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=1005325
- openSUSE-SU-2013:1648vendor-advisory
- [oss-security] 20130906 Re: CVE request: pyOpenSSL hostname check bypassing vulnerabilitymailing-list
- USN-1965-1vendor-advisory
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