Skip to navigation

CVE Database

CVE-2013-4248

Impact: Moderate
Public: 2013-08-13
Bugzilla: 997097: CVE-2013-4248 php: hostname check bypassing vulnerability in SSL client
IAVA: 2014-A-0030

Details

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2013-4248 from the MITRE CVE dictionary and NIST NVD.

Statement

This issue does not affect the version of php as shipped with Red Hat Enterprise Linux 5.

CVSS v2 metrics

Base Score: 4.3
Base Metrics: AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector: Network
Access Complexity: Medium
Authentication: None
Confidentiality Impact: None
Integrity Impact: Partial
Availability Impact: None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat Enterprise Linux version 5 (php53) RHSA-2013:1307 September 30, 2013
Red Hat Enterprise Linux version 6 (php) RHSA-2013:1615 November 20, 2013

External References

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.