CVE-2013-4314
N/A
Published: September 30, 2013 at 09:00 PM UTC
Updated: June 16, 2026 at 11:57 PM UTC
2 products affected across 2 vendorsUbuntu LinuxPyopenssl
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Severity
N/A
Exploit prediction
EPSS 1%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (6)
Vendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-updates/2013-11/msg00015.htmlVendor Advisoryx_refsource_DEBIAN
Source: [email protected]
http://www.debian.org/security/2013/dsa-2763Mailing Listx_refsource_MLIST
Source: [email protected]
http://www.openwall.com/lists/oss-security/2013/09/06/2Mailing Listx_refsource_MLIST
Source: [email protected]
https://mail.python.org/pipermail/pyopenssl-users/2013-September/000478.htmlQuick Info
StatusMODIFIED
CWE
CWE-20
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