Vulnerability CVE-2013-6438

Vulnerability CVE-2013-6438

Published: 2014-03-18

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.

See advisories in our WLB2 database:

	Topic	Author	Date
Med.	Apache HTTP Server 2.4.7 dav_xml_get_cdata DoS	Apache	19.03.2014

Type:

CWE-20

(Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score	Impact Subscore	Exploitability Subscore
5/10	2.9/10	10/10

Exploit range	Attack complexity	Authentication
Remote	Low	No required
Confidentiality impact	Integrity impact	Availability impact
None	None	Partial

Affected software
Apache -> Http server

References:

http://advisories.mageia.org/MGASA-2014-0135.html

http://archives.neohapsis.com/archives/bugtraq/2014-10/0101.html

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10698

http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html

http://marc.info/?l=bugtraq&m=141017844705317&w=2

http://marc.info/?l=bugtraq&m=141390017113542&w=2

http://seclists.org/fulldisclosure/2014/Dec/23

http://security.gentoo.org/glsa/glsa-201408-12.xml

http://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x/CHANGES

http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/dav/main/util.c

http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/dav/main/util.c?r1=1528718&r2=1556428&diff_format=h

http://www-01.ibm.com/support/docview.wss?uid=swg21669554

http://www-01.ibm.com/support/docview.wss?uid=swg21676091

http://www-01.ibm.com/support/docview.wss?uid=swg21676092

http://www.apache.org/dist/httpd/CHANGES_2.4.9

http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html

http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html

http://www.securityfocus.com/archive/1/534161/100/0/threaded

http://www.securityfocus.com/bid/66303

http://www.ubuntu.com/usn/USN-2152-1

http://www.vmware.com/security/advisories/VMSA-2014-0012.html

https://blogs.oracle.com/sunsecurity/entry/multiple_input_validation_vulnerabilities_in1

https://httpd.apache.org/security/vulnerabilities_24.html

https://puppet.com/security/cve/cve-2013-6438

https://support.apple.com/HT204659

https://support.apple.com/kb/HT6535

Vulnerability 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.

See advisories in our WLB2 database:

Med.

Apache HTTP Server 2.4.7 dav_xml_get_cdata DoS

CWE-20

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

5/10

2.9/10

10/10

Remote

Low

No required

None

None

Partial

Affected software

References: