Vulnerability in Apache HTTP Server
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.268 (98.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.268 · newest: 0.268 · change: 0.000
Affected products
- Apache HTTP Server
- Oracle HTTP Server — versions 10.1.3.5.0, 11.1.1.7.0, 12.1.2.0
- Canonical Ubuntu Linux — versions 10.04, 12.04, 12.10
Public proof-of-concept exploits
References
- blogs.oracle.com/sunsecurity/entry/multiple_input_validation_vulnerabilities_in1 (Third Party Advisory)
- puppet.com/security/cve/cve-2013-6438 (Third Party Advisory)
- secunia.com/advisories/59315 (Not Applicable, third-party-advisory)
- secunia.com/advisories/58230 (Not Applicable, third-party-advisory)
- support.apple.com/HT204659 (Third Party Advisory)
- advisories.mageia.org/MGASA-2014-0135.html (Third Party Advisory)
- www.vmware.com/security/advisories/VMSA-2014-0012.html (Third Party Advisory)
- kb.juniper.net/InfoCenter/index (Third Party Advisory)
- svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x/CHANGES (Vendor Advisory)
- security.gentoo.org/glsa/glsa-201408-12.xml (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2013-6438?
- CVE-2013-6438 is a vulnerability in Apache HTTP Server. Published 2014-03-18.
- Is CVE-2013-6438 known to be exploited?
- 29 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.