CVE-2013-6438 — Improper Input Validation in Apache Http Server

CWE-20 — Improper Input ValidationCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer10 documents9 sources
Severity
5.0MEDIUMNVD
EPSS
30.2%
top 3.31%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Apache Http ServerCanonical Ubuntu LinuxOracle Http Server
Timeline
PublishedMar 18
Latest updateMay 13

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 vector

AV:N/AC:L/C:N/I:N/A:PExploitability: 10.0 | Impact: 2.9

Affected Packages2 packages

▶NVDapache/http_server2.2.0 — 2.2.27+1
▶NVDoracle/http_server4 versions+3

Also affects: Ubuntu Linux 10.04, 12.04, 12.10, 13.10

Patches

Patch: svn.apache.org ↗Patch: svn.apache.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-2xpp-q4gq-7cc3: The dav_xml_get_cdata function in main/util↗2022-05-13
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CVEList
CVE-2013-6438: The dav_xml_get_cdata function in main/util↗2014-03-18
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OSV
CVE-2013-6438: The dav_xml_get_cdata function in main/util↗2014-03-18
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📋Vendor Advisories

4
Ubuntu
Apache HTTP Server vulnerabilities↗2014-03-24
▶
Red Hat
httpd: mod_dav denial of service via crafted DAV WRITE request↗2013-10-03
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Debian
CVE-2013-6438: apache2 - The dav_xml_get_cdata function in main/util.c in the mod_dav module in the Apach...↗2013
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Apple
CVE-2013-6438: OS X Yosemite v10.10.3 and Security Update 2015-004↗
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💬Community

2
Bugzilla
CVE-2013-6438 CVE-2014-0098 httpd: various flaws [fedora-all]↗2014-03-18
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Bugzilla
CVE-2013-6438 httpd: mod_dav denial of service via crafted DAV WRITE request↗2014-03-18
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CVE-2013-6438 — Improper Input Validation in Apache | cvebase