A heap-based buffer overflow flaw was found in the way PHP parsed DNS TXT records. A malicious DNS server or a man-in-the-middle attacker could possibly use this flaw to execute arbitrary code as the PHP interpreter if a PHP application used the dns_get_record() function to perform a DNS query.
Find out more about CVE-2014-4049 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue did not affect the versions of php as shipped with Red Hat Enterprise Linux 5.
| Base Score | 5.1 |
|---|---|
| Base Metrics | AV:N/AC:H/Au:N/C:P/I:P/A:P |
| Access Vector | Network |
| Access Complexity | High |
| 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 | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 5 (php53) | RHSA-2014:1012 | 2014-08-06 |
| Red Hat Enterprise Linux 6 (php) | RHSA-2014:1012 | 2014-08-06 |
| Red Hat Software Collections 1 for Red Hat Enterprise Linux 6 (php55-php) | RHSA-2014:1766 | 2014-10-30 |
| Red Hat Software Collections 1 for Red Hat Enterprise Linux 6 (php54-php) | RHSA-2014:1765 | 2014-10-30 |
| Red Hat Software Collections 1 for Red Hat Enterprise Linux 7 (php54-php) | RHSA-2014:1765 | 2014-10-30 |
| Red Hat Software Collections 1 for Red Hat Enterprise Linux 7 (php55-php) | RHSA-2014:1766 | 2014-10-30 |
| Red Hat Enterprise Linux 7 (php) | RHSA-2014:1013 | 2014-08-06 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 5 | php | Not affected |
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