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.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2013-4314US | medium4.3 | — | ||
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… | ||||
02
references
External citations — patches, advisories, analysis.
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00015.htmlWEB
- http://www.debian.org/security/2013/dsa-2763ADVISORY
- http://www.openwall.com/lists/oss-security/2013/09/06/2WEB
- http://www.ubuntu.com/usn/USN-1965-1ADVISORY
- https://bugzilla.redhat.com/show_bug.cgi?id=1005325REPORT
- https://github.com/advisories/GHSA-6748-36qp-fx6rADVISORY
- https://mail.python.org/pipermail/pyopenssl-users/2013-September/000478.htmlWEB
scry
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan