The openssl_x509_parse function in openssl.c in the OpenSSL module in PHP before 5.4.18 and 5.5.x before 5.5.2 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, a related issue to CVE-2009-2408.
Published 2013-08-18 02:52:23
Updated 2016-11-28 19:09:27
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Input validation

Threat overview for CVE-2013-4248

Top countries where our scanners detected CVE-2013-4248
Top open port discovered on systems with this issue 80
IPs affected by CVE-2013-4248 382,803
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2013-4248!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2013-4248

Probability of exploitation activity in the next 30 days: 4.07%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 91 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2013-4248

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
4.3
MEDIUM AV:N/AC:M/Au:N/C:N/I:P/A:N
8.6
2.9
NIST

CWE ids for CVE-2013-4248

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2013-4248

Products affected by CVE-2013-4248

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