The dav_xml_get_cdata function in main/util.c in the mod_dav module in the Apache HTTP Server before 2.4.8 does not properly remove whitespace characters from CDATA sections, which allows remote attackers to cause a denial of service (daemon crash) via a crafted DAV WRITE request.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2013-6438 from the MITRE CVE dictionary dictionary and NIST NVD.
| Base Score | 4.3 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| 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 (httpd) | RHSA-2014:0369 | 2014-04-03 |
| Red Hat JBoss Enterprise Web Server 2 for RHEL 6 Server (httpd) | RHSA-2014:0783 | 2014-06-23 |
| Red Hat JBoss Enterprise Application Platform 6 for RHEL 6 Server (httpd) | RHSA-2014:0826 | 2014-07-01 |
| Red Hat Enterprise Linux 6 (httpd) | RHSA-2014:0370 | 2014-04-03 |
| Red Hat JBoss Enterprise Web Server 2 for RHEL 5 Server (httpd) | RHSA-2014:0783 | 2014-06-23 |
| Red Hat JBoss Enterprise Application Platform 6 for RHEL 5 Server (httpd) | RHSA-2014:0826 | 2014-07-01 |
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections 1 for Red Hat Enterprise Linux | httpd24-httpd | Will not fix |
| Red Hat JBoss EWS 1 | httpd | Will not fix |
| Red Hat JBoss EAP 5 | httpd | Will not fix |
| Red Hat Enterprise Linux 7 | httpd | Not affected |
| Red Hat Directory Server 8 | httpd | Will not fix |
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