MEDIUM
httpd: mod_dav denial of service via crafted DAV WRITE request
Published Mar 18, 2014
5.0
MEDIUMCVSS 2.0
EPSS 26.83%
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.
Affected products
No data.
Configuration 1
OR
- ≥ 2.2.0 · < 2.2.27
- ≥ 2.4.1 · < 2.4.9
Configuration 2
OR
- 10.1.3.5.0
- 11.1.1.7.0
- 12.1.2.0
- 12.1.3.0
Configuration 3
OR
- 10.04
- 12.04
- 12.10
- 13.10
No data.
Red Hat Enterprise Linux 5
httpd-0:2.2.3-85.el5_10
Fixed · RHSA-2014:0369
Red Hat Enterprise Linux 6
httpd-0:2.2.15-30.el6_5
Fixed · RHSA-2014:0370
Red Hat JBoss Enterprise Application Platform 6.2
n/a
Fixed · RHSA-2014:0825
Red Hat JBoss Enterprise Application Platform 6.2 for RHEL 5
httpd-0:2.2.22-27.ep6.el5
Fixed · RHSA-2014:0826
Red Hat JBoss Enterprise Application Platform 6.2 for RHEL 6
httpd-0:2.2.22-27.ep6.el6
Fixed · RHSA-2014:0826
Red Hat JBoss Enterprise Web Server 2 for RHEL 5
httpd-0:2.2.22-27.ep6.el5
Fixed · RHSA-2014:0783
Red Hat JBoss Enterprise Web Server 2 for RHEL 6
httpd-0:2.2.22-27.ep6.el6
Fixed · RHSA-2014:0783
Red Hat JBoss Web Server 2.0
httpd
Fixed · RHSA-2014:0784
Red Hat Directory Server 8
httpd
Affected
Red Hat Enterprise Linux 7
httpd
Not affected
Red Hat JBoss Enterprise Application Platform 5
httpd
Will not fix
Red Hat JBoss Enterprise Web Server 1
httpd
Will not fix
Red Hat Software Collections
httpd24-httpd
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | httpd-0:2.2.3-85.el5_10 | Fixed | RHSA-2014:0369 |
| Red Hat Enterprise Linux 6 | httpd-0:2.2.15-30.el6_5 | Fixed | RHSA-2014:0370 |
| Red Hat JBoss Enterprise Application Platform 6.2 | n/a | Fixed | RHSA-2014:0825 |
| Red Hat JBoss Enterprise Application Platform 6.2 for RHEL 5 | httpd-0:2.2.22-27.ep6.el5 | Fixed | RHSA-2014:0826 |
| Red Hat JBoss Enterprise Application Platform 6.2 for RHEL 6 | httpd-0:2.2.22-27.ep6.el6 | Fixed | RHSA-2014:0826 |
| Red Hat JBoss Enterprise Web Server 2 for RHEL 5 | httpd-0:2.2.22-27.ep6.el5 | Fixed | RHSA-2014:0783 |
| Red Hat JBoss Enterprise Web Server 2 for RHEL 6 | httpd-0:2.2.22-27.ep6.el6 | Fixed | RHSA-2014:0783 |
| Red Hat JBoss Web Server 2.0 | httpd | Fixed | RHSA-2014:0784 |
| Red Hat Directory Server 8 | httpd | Affected | n/a |
| Red Hat Enterprise Linux 7 | httpd | Not affected | n/a |
| Red Hat JBoss Enterprise Application Platform 5 | httpd | Will not fix | n/a |
| Red Hat JBoss Enterprise Web Server 1 | httpd | Will not fix | n/a |
| Red Hat Software Collections | httpd24-httpd | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
26.83% 0.26831
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.26831
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (44 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 26.83% (0.26831) | 97.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 26.83% (0.26831) | 97.77th | v5 (v2026.06.15) |
| May 8, 2026 | 39.56% (0.39561) | 97.33th | v4 (v2025.03.14) |
| Mar 4, 2026 | 30.25% (0.30247) | 96.58th | v4 (v2025.03.14) |
| Mar 1, 2026 | 18.39% (0.18387) | 95.13th | v4 (v2025.03.14) |
| Feb 4, 2026 | 47.14% (0.47139) | 97.59th | v4 (v2025.03.14) |
| Feb 1, 2026 | 18.39% (0.18387) | 95.08th | v4 (v2025.03.14) |
| Jan 4, 2026 | 47.14% (0.47139) | 97.57th | v4 (v2025.03.14) |
| Jan 1, 2026 | 18.39% (0.18387) | 95.06th | v4 (v2025.03.14) |
| Dec 28, 2025 | 47.14% (0.47139) | 97.56th | v4 (v2025.03.14) |
| Dec 27, 2025 | 43.04% (0.43037) | 97.38th | v4 (v2025.03.14) |
| Dec 4, 2025 | 47.14% (0.47139) | 97.54th | v4 (v2025.03.14) |
| Dec 1, 2025 | 18.39% (0.18387) | 95.02th | v4 (v2025.03.14) |
| Nov 4, 2025 | 47.14% (0.47139) | 97.54th | v4 (v2025.03.14) |
| Nov 1, 2025 | 18.39% (0.18387) | 95.00th | v4 (v2025.03.14) |
| Oct 28, 2025 | 47.14% (0.47139) | 97.53th | v4 (v2025.03.14) |
| Oct 27, 2025 | 43.04% (0.43037) | 97.34th | v4 (v2025.03.14) |
| Oct 4, 2025 | 47.14% (0.47139) | 97.59th | v4 (v2025.03.14) |
| Oct 1, 2025 | 18.39% (0.18387) | 95.03th | v4 (v2025.03.14) |
| Sep 15, 2025 | 43.04% (0.43037) | 97.41th | v4 (v2025.03.14) |
| Sep 4, 2025 | 29.58% (0.29578) | 96.47th | v4 (v2025.03.14) |
| Sep 1, 2025 | 9.66% (0.09661) | 92.65th | v4 (v2025.03.14) |
| Aug 4, 2025 | 29.58% (0.29578) | 96.43th | v4 (v2025.03.14) |
| Aug 1, 2025 | 9.66% (0.09661) | 92.63th | v4 (v2025.03.14) |
| Jul 30, 2025 | 29.58% (0.29578) | 96.43th | v4 (v2025.03.14) |
| Jul 4, 2025 | 36.22% (0.36218) | 96.92th | v4 (v2025.03.14) |
| Jul 1, 2025 | 12.12% (0.12120) | 93.52th | v4 (v2025.03.14) |
| Jun 22, 2025 | 36.22% (0.36218) | 96.91th | v4 (v2025.03.14) |
| Jun 4, 2025 | 30.25% (0.30247) | 96.41th | v4 (v2025.03.14) |
| Jun 1, 2025 | 9.37% (0.09371) | 92.38th | v4 (v2025.03.14) |
| May 4, 2025 | 30.25% (0.30247) | 96.38th | v4 (v2025.03.14) |
| May 1, 2025 | 9.37% (0.09371) | 92.36th | v4 (v2025.03.14) |
| Apr 6, 2025 | 30.01% (0.30015) | 96.27th | v4 (v2025.03.14) |
| Mar 30, 2025 | 26.51% (0.26511) | 95.89th | v4 (v2025.03.14) |
| Mar 29, 2025 | 29.32% (0.29322) | 94.62th | v4 (v2025.03.14) |
| Mar 17, 2025 | 26.51% (0.26511) | 95.90th | v4 (v2025.03.14) |
| Dec 17, 2024 | 30.37% (0.30367) | 96.94th | v3 (v2023.03.01) |
| Mar 16, 2024 | 3.54% (0.03544) | 91.35th | v3 (v2023.03.01) |
| Nov 8, 2023 | 2.89% (0.02892) | 89.67th | v3 (v2023.03.01) |
| Sep 11, 2023 | 2.64% (0.02641) | 89.05th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.77% (0.02772) | 88.97th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.34% (0.07344) | 92.59th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.34% (0.07344) | 91.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.34% (0.07344) | 80.64th | v2 (v2022.01.01) |
Weaknesses (1)
References (52)
- http://advisories.mageia.org/MGASA-2014-0135.html x_refsource_CONFIRMThird Party Advisory
- http://archives.neohapsis.com/archives/bugtraq/2014-10/0101.html vendor-advisoryx_refsource_APPLEBroken Link
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10698 x_refsource_CONFIRMThird Party Advisory
- http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html vendor-advisoryx_refsource_APPLEBroken LinkMailing List
- http://marc.info/?l=bugtraq&m=141017844705317&w=2 vendor-advisoryx_refsource_HPIssue TrackingMailing ListThird Party Advisory
- http://marc.info/?l=bugtraq&m=141390017113542&w=2 vendor-advisoryx_refsource_HPIssue TrackingMailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2014/Dec/23 mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory
- http://secunia.com/advisories/58230 third-party-advisoryx_refsource_SECUNIANot Applicable
- http://secunia.com/advisories/59315 third-party-advisoryx_refsource_SECUNIANot Applicable
- http://secunia.com/advisories/59345 third-party-advisoryx_refsource_SECUNIANot Applicable
- http://secunia.com/advisories/60536 third-party-advisoryx_refsource_SECUNIANot Applicable
- http://security.gentoo.org/glsa/glsa-201408-12.xml vendor-advisoryx_refsource_GENTOOThird Party Advisory
- http://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x/CHANGES x_refsource_CONFIRMVendor Advisory
- http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/dav/main/util.c x_refsource_CONFIRMVendor Advisory
- http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/dav/main/util.c?r1=1528718&r2=1556428&diff_format=h x_refsource_CONFIRMPatchVendor Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21669554 x_refsource_CONFIRMThird Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21676091 x_refsource_CONFIRMThird Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21676092 x_refsource_CONFIRMThird Party Advisory
- http://www.apache.org/dist/httpd/CHANGES_2.4.9 x_refsource_CONFIRMVendor Advisory
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html x_refsource_CONFIRMThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/archive/1/534161/100/0/threaded mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/66303 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2152-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.vmware.com/security/advisories/VMSA-2014-0012.html x_refsource_CONFIRMThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2013-6438 Vendor Advisory
- https://blogs.oracle.com/sunsecurity/entry/multiple_input_validation_vulnerabilities_in1 x_refsource_CONFIRMThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1077867 Issue Tracking
- https://httpd.apache.org/security/vulnerabilities_24.html x_refsource_CONFIRMVendor Advisory
- https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r83109088737656fa6307bd99ab40f8ff0269ae58d3f7272d7048494a%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r9821b0a32a1d0a1b4947abb6f3630053fcbb2ec905d9a32c2bd4d4ee%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/ra7f6aeb28661fbf826969526585f16856abc4615877875f9d3b35ef4%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2013-6438
- https://puppet.com/security/cve/cve-2013-6438 x_refsource_CONFIRMThird Party Advisory
- https://support.apple.com/HT204659 x_refsource_CONFIRMThird Party Advisory
- https://support.apple.com/kb/HT6535 x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2013-6438
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Mar 18, 2014
Updated Aug 6, 2024
Reserved Nov 4, 2013
Link CVE-2013-6438
CISA Vulnrichment
Updated n/a