CVE-2013-6438
UnknownEPSS 26.83%
Last modified
CVE-2013-6438 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 26.83% chance of exploitation in the next 30 days.
Description
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.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Http Server | >= 2.2.0, < 2.2.27 |
| Apache | Http Server | >= 2.4.1, < 2.4.9 |
| Oracle | Http Server | 10.1.3.5.0 |
| Oracle | Http Server | 11.1.1.7.0 |
| Oracle | Http Server | 12.1.2.0 |
| Oracle | Http Server | 12.1.3.0 |
| Canonical | Ubuntu Linux | 10.04 |
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 12.10 |
| Canonical | Ubuntu Linux | 13.10 |
References
- http://advisories.mageia.org/MGASA-2014-0135.htmlThird Party Advisory
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10698Third Party Advisory
- http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.htmlBroken Link, Mailing List
- http://marc.info/?l=bugtraq&m=141017844705317&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=141390017113542&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2014/Dec/23Mailing List, Third Party Advisory
- http://secunia.com/advisories/58230Not Applicable
- http://secunia.com/advisories/59315Not Applicable
- http://secunia.com/advisories/59345Not Applicable
- http://secunia.com/advisories/60536Not Applicable
- http://security.gentoo.org/glsa/glsa-201408-12.xmlThird Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21669554Third Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21676091Third Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21676092Third Party Advisory
- http://www.apache.org/dist/httpd/CHANGES_2.4.9Vendor Advisory
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.htmlThird Party Advisory
- http://www.securityfocus.com/archive/1/534161/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/66303Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2152-1Third Party Advisory
- http://www.vmware.com/security/advisories/VMSA-2014-0012.htmlThird Party Advisory
- https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- https://puppet.com/security/cve/cve-2013-6438Third Party Advisory
- https://support.apple.com/HT204659Third Party Advisory
- https://support.apple.com/kb/HT6535Third Party Advisory
- http://advisories.mageia.org/MGASA-2014-0135.htmlThird Party Advisory
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10698Third Party Advisory
- http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.htmlBroken Link, Mailing List
- http://marc.info/?l=bugtraq&m=141017844705317&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=141390017113542&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2014/Dec/23Mailing List, Third Party Advisory
- http://secunia.com/advisories/58230Not Applicable
- http://secunia.com/advisories/59315Not Applicable
- http://secunia.com/advisories/59345Not Applicable
- http://secunia.com/advisories/60536Not Applicable
- http://security.gentoo.org/glsa/glsa-201408-12.xmlThird Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21669554Third Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21676091Third Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21676092Third Party Advisory
- http://www.apache.org/dist/httpd/CHANGES_2.4.9Vendor Advisory
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.htmlThird Party Advisory
- http://www.securityfocus.com/archive/1/534161/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/66303Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2152-1Third Party Advisory
- http://www.vmware.com/security/advisories/VMSA-2014-0012.htmlThird Party Advisory
- https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- https://puppet.com/security/cve/cve-2013-6438Third Party Advisory
- https://support.apple.com/HT204659Third Party Advisory
- https://support.apple.com/kb/HT6535Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2013-6438?
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.
How severe is CVE-2013-6438?
Severity scoring for CVE-2013-6438 is pending analysis. The EPSS model estimates a 26.83% probability of exploitation in the next 30 days.
How do I fix CVE-2013-6438?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2013-6438?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST