The gdImageCrop function in ext/gd/gd.c in PHP 5.5.x before 5.5.9 does not check return values, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via invalid imagecrop arguments that lead to use of a NULL pointer as a return value, a different vulnerability than CVE-2013-7226.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2013-7327 from the MITRE CVE dictionary dictionary and NIST NVD.
Not vulnerable. This issue did not affect the versions of php or php53 as shipped with Red Hat Enterprise Linux 5 and 6, and the versions of php54-php as shipped with Red Hat Software Collections 1, as they did not include the vulnerable function (it was introduced in PHP 5.5.0). This issue also did not affect the versions of gd as shipped with Red Hat Enterprise Linux 5 and 6.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 6.8 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections 1 for Red Hat Enterprise Linux | php55-php | Affected |
| Red Hat Software Collections 1 for Red Hat Enterprise Linux | php54-php | Not affected |
| Red Hat Enterprise Linux 7 | php | Not affected |
| Red Hat Enterprise Linux 7 | gd | Not affected |
| Red Hat Enterprise Linux 6 | gd | Not affected |
| Red Hat Enterprise Linux 6 | php | Not affected |
| Red Hat Enterprise Linux 5 | gd | Not affected |
| Red Hat Enterprise Linux 5 | php53 | Not affected |
| Red Hat Enterprise Linux 5 | php | Not affected |
| Red Hat Enterprise Linux 4 | php | Not affected |
Vulmon