The mod_headers module in the Apache HTTP Server 2.2.22 allows remote attackers to bypass "RequestHeader unset" directives by placing a…

Description

The mod_headers module in the Apache HTTP Server 2.2.22 allows remote attackers to bypass "RequestHeader unset" directives by placing a header in the trailer portion of data sent with chunked transfer coding. NOTE: the vendor states "this is not a security issue in httpd as such."

Scores

EPSS (exploitation in 30 days)

58.0% · top 0.9% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (47)

• HPSBUX03512 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://support.apple.com/HT204659 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x/CHANGES (opens in a new tab)x_refsource_CONFIRMx_transferred
• GLSA-201504-03 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• RHSA-2015:1249 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2016:0061 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2015:0325 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• MDVSA-2014:174 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• USN-2523-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2016:0062 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• SSRT102066 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04832246 (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2015:2661 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• APPLE-SA-2015-04-08-2 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/mod_proxy_http.c?r1=1610674&r2=1610814&diff_format=h (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2015:2659 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/mod_proxy_http.c (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2015:2660 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://httpd.apache.org/security/vulnerabilities_24.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://martin.swende.se/blog/HTTPChunked.html (opens in a new tab)x_refsource_MISCx_transferred
• APPLE-SA-2015-09-16-4 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• https://support.apple.com/HT205219 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 66550 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• [dev] 20140401 CVE-2013-5704, mod_headers and chunked trailer fields (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20190815 svn commit: r1048743 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20190815 svn commit: r1048742 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20190815 svn commit: r1048743 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20190815 svn commit: r1048742 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20200401 svn commit: r1058586 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20200401 svn commit: r1058586 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20200401 svn commit: r1058587 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20200401 svn commit: r1058587 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073139 [9/13] - in /websites/staging/httpd/trunk/content: ./ security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073140 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073140 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1888194 [9/13] - /httpd/site/trunk/content/security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073149 [9/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073146 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities-httpd.xml security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210330 svn commit: r1073146 [3/3] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities-httpd.xml security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [httpd-cvs] 20210606 svn commit: r1075470 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html (opens in a new tab)mailing-listx_refsource_MLISTx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2013-5704](https://trackcve.app/badge/CVE-2013-5704.svg)](https://trackcve.app/cve/CVE-2013-5704)

Record last updated 6 Aug 2024, 17:22 UTC.