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.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2013-4248 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue does not affect the version of php as shipped with Red Hat Enterprise Linux 5 or the version of php54 as shipped with Red Hat Software Collections 1.
| 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).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 6 (php) | RHSA-2013:1615 | 2013-11-20 |
| Red Hat Enterprise Linux 5 (php53) | RHSA-2013:1307 | 2013-09-30 |
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections 1 for Red Hat Enterprise Linux | php54-php | Will not fix |
| Red Hat Enterprise Linux 7 | php | Not affected |
| Red Hat Enterprise Linux 5 | php | Not affected |
Vulmon