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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 27.5%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 27.50% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- apache/http server · oracle/http server · canonical/ubuntu linux
- Source
- secalert@redhat.com
EPSS 27.5% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://advisories.mageia.org/MGASA-2014-0135.htmlThird Party Advisory
- http://archives.neohapsis.com/archives/bugtraq/2014-10/0101.htmlBroken Link
- 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://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x/CHANGESVendor Advisory
- http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/dav/main/util.cVendor Advisory
- http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/dav/main/util.c?r1=1528718&r2=1556428&diff_format=hPatch, Vendor 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://blogs.oracle.com/sunsecurity/entry/multiple_input_validation_vulnerabilities_in1Third Party Advisory
- https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.