CVE-2013-6438

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.

5.0

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 30.25% Top 5%

Vendor Advisory gentoo.org Vendor Advisory marc.info Vendor Advisory marc.info Vendor Advisory neohapsis.com Vendor Advisory apple.com Vendor Advisory ubuntu.com Vendor Advisory apache.org Vendor Advisory apache.org Vendor Advisory apache.org Vendor Advisory apache.org Vendor Advisory apache.org

Affected: n/a n/a

References

Link	Tags
https://blogs.oracle.com/sunsecurity/entry/multiple_input_validation_vulnerabilities_in1	third party advisory
https://puppet.com/security/cve/cve-2013-6438	third party advisory
http://secunia.com/advisories/59315	third party advisory not applicable
http://secunia.com/advisories/58230	third party advisory not applicable
https://support.apple.com/HT204659	third party advisory
http://advisories.mageia.org/MGASA-2014-0135.html	third party advisory
http://www.vmware.com/security/advisories/VMSA-2014-0012.html	third party advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10698	third party advisory
http://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x/CHANGES	vendor advisory
http://security.gentoo.org/glsa/glsa-201408-12.xml	third party advisory vendor advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21676092	third party advisory
http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/dav/main/util.c?r1=1528718&r2=1556428&diff_format=h	patch vendor advisory
http://secunia.com/advisories/60536	third party advisory not applicable
http://www.securityfocus.com/bid/66303	vdb entry third party advisory
http://marc.info/?l=bugtraq&m=141017844705317&w=2	issue tracking mailing list third party advisory vendor advisory
http://www.securityfocus.com/archive/1/534161/100/0/threaded	mailing list vdb entry third party advisory
http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html	third party advisory
http://marc.info/?l=bugtraq&m=141390017113542&w=2	issue tracking mailing list third party advisory vendor advisory
http://archives.neohapsis.com/archives/bugtraq/2014-10/0101.html	vendor advisory broken link
http://secunia.com/advisories/59345	third party advisory not applicable
http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html	third party advisory
http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html	mailing list broken link vendor advisory
https://support.apple.com/kb/HT6535	third party advisory
http://seclists.org/fulldisclosure/2014/Dec/23	third party advisory mailing list
http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/dav/main/util.c	vendor advisory
https://httpd.apache.org/security/vulnerabilities_24.html	vendor advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21676091	third party advisory
http://www.ubuntu.com/usn/USN-2152-1	third party advisory vendor advisory
http://www.apache.org/dist/httpd/CHANGES_2.4.9	vendor advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21669554	third party advisory
https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E	mailing list
https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E	mailing list
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E	mailing list
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E	mailing list
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E	mailing list
https://lists.apache.org/thread.html/ra7f6aeb28661fbf826969526585f16856abc4615877875f9d3b35ef4%40%3Ccvs.httpd.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r83109088737656fa6307bd99ab40f8ff0269ae58d3f7272d7048494a%40%3Ccvs.httpd.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r9821b0a32a1d0a1b4947abb6f3630053fcbb2ec905d9a32c2bd4d4ee%40%3Ccvs.httpd.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E	mailing list
https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E	mailing list
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E	mailing list

Frequently Asked Questions

What is the severity of CVE-2013-6438?: CVE-2013-6438 has been scored as a medium severity vulnerability.
How to fix CVE-2013-6438?: To fix CVE-2013-6438, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-6438 being actively exploited in the wild?: It is possible that CVE-2013-6438 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~30% probability that this vulnerability will be exploited by malicious actors in the next 30 days.