{ "document": { "aggregate_severity": { "text": "High" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/centos6els/vex/2017/cve-2017-9798-els_os-centos6els.json" } ], "tracking": { "current_release_date": "2026-04-17T20:47:44Z", "generator": { "date": "2026-04-17T20:47:44Z", "engine": { "name": "pyCSAF" } }, "id": "CVE-2017-9798-ELS_OS-CENTOS6ELS", "initial_release_date": "2017-09-18T15:29:00Z", "revision_history": [ { "date": "2017-09-18T15:29:00Z", "number": "1", "summary": "Initial version" }, { "date": "2026-04-13T09:43:55Z", "number": "2", "summary": "Official Publication" }, { "date": "2026-04-17T20:47:44Z", "number": "3", "summary": "Update 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"CentOS-6:httpd-devel-0:2.2.15-72.el6.i686" }, "product_reference": "httpd-devel-0:2.2.15-72.el6.i686", "relates_to_product_reference": "CentOS-6" }, { "category": "default_component_of", "full_product_name": { "name": "httpd-0:2.2.15-72.el6.x86_64 as a component of Community Enterprise Operating System 6", "product_id": "CentOS-6:httpd-0:2.2.15-72.el6.x86_64" }, "product_reference": "httpd-0:2.2.15-72.el6.x86_64", "relates_to_product_reference": "CentOS-6" }, { "category": "default_component_of", "full_product_name": { "name": "httpd-tools-0:2.2.15-72.el6.x86_64 as a component of Community Enterprise Operating System 6", "product_id": "CentOS-6:httpd-tools-0:2.2.15-72.el6.x86_64" }, "product_reference": "httpd-tools-0:2.2.15-72.el6.x86_64", "relates_to_product_reference": "CentOS-6" } ] }, "vulnerabilities": [ { "cve": "CVE-2017-9798", "cwe": { "id": "CWE-416", "name": "Use After Free" }, "notes": [ { "category": "description", "text": "Apache httpd allows remote attackers to read secret data from process memory if the Limit directive can be set in a user's .htaccess file, or if httpd.conf has certain misconfigurations, aka Optionsbleed. This affects the Apache HTTP Server through 2.2.34 and 2.4.x through 2.4.27. The attacker sends an unauthenticated OPTIONS HTTP request when attempting to read secret data. This is a use-after-free issue and thus secret data is not always sent, and the specific data depends on many factors including configuration. Exploitation with .htaccess can be blocked with a patch to the ap_limit_section function in server/core.c.", "title": "Vulnerability description" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "CentOS-6:httpd-0:2.2.15-72.el6.tuxcare.els10.x86_64", "CentOS-6:httpd-devel-0:2.2.15-72.el6.tuxcare.els10.i686", "CentOS-6:httpd-devel-0:2.2.15-72.el6.tuxcare.els10.x86_64", "CentOS-6:httpd-manual-0:2.2.15-71.el6.cloudlinux.els.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.cloudlinux.els.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.tuxcare.els10.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.tuxcare.els4.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.tuxcare.els5.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.tuxcare.els6.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.tuxcare.els7.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.tuxcare.els8.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.tuxcare.els9.noarch", "CentOS-6:httpd-tools-0:2.2.15-72.el6.tuxcare.els10.x86_64", "CentOS-6:mod_ssl-1:2.2.15-72.el6.tuxcare.els10.x86_64" ], "known_affected": [ "CentOS-6:httpd-0:2.2.15-72.el6.x86_64", "CentOS-6:httpd-devel-0:2.2.15-72.el6.i686", "CentOS-6:httpd-devel-0:2.2.15-72.el6.x86_64", "CentOS-6:httpd-manual-0:2.2.15-71.el6.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.noarch", "CentOS-6:httpd-tools-0:2.2.15-72.el6.x86_64", "CentOS-6:mod_ssl-1:2.2.15-72.el6.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2017-9798" }, { "category": "external", "summary": "http://openwall.com/lists/oss-security/2017/09/18/2", "url": "http://openwall.com/lists/oss-security/2017/09/18/2" }, { "category": "external", "summary": "http://www.debian.org/security/2017/dsa-3980", "url": "http://www.debian.org/security/2017/dsa-3980" }, { "category": "external", "summary": "http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html", "url": "http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html" }, { "category": "external", "summary": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html", "url": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html" }, { "category": "external", "summary": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html", "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html" }, { "category": "external", "summary": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html", "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html" }, { "category": "external", "summary": "http://www.securityfocus.com/bid/100872", "url": "http://www.securityfocus.com/bid/100872" }, { "category": "external", "summary": "http://www.securityfocus.com/bid/105598", "url": "http://www.securityfocus.com/bid/105598" }, { "category": "external", "summary": "http://www.securitytracker.com/id/1039387", "url": "http://www.securitytracker.com/id/1039387" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2017:2882", "url": "https://access.redhat.com/errata/RHSA-2017:2882" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2017:2972", "url": "https://access.redhat.com/errata/RHSA-2017:2972" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2017:3018", "url": "https://access.redhat.com/errata/RHSA-2017:3018" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2017:3113", "url": "https://access.redhat.com/errata/RHSA-2017:3113" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2017:3114", "url": "https://access.redhat.com/errata/RHSA-2017:3114" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2017:3193", "url": "https://access.redhat.com/errata/RHSA-2017:3193" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2017:3194", "url": "https://access.redhat.com/errata/RHSA-2017:3194" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2017:3195", "url": "https://access.redhat.com/errata/RHSA-2017:3195" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2017:3239", "url": "https://access.redhat.com/errata/RHSA-2017:3239" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2017:3240", "url": "https://access.redhat.com/errata/RHSA-2017:3240" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2017:3475", "url": "https://access.redhat.com/errata/RHSA-2017:3475" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2017:3476", "url": "https://access.redhat.com/errata/RHSA-2017:3476" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2017:3477", "url": "https://access.redhat.com/errata/RHSA-2017:3477" }, { "category": "external", "summary": "https://blog.fuzzing-project.org/60-Optionsbleed-HTTP-OPTIONS-method-can-leak-Apaches-server-memory.html", "url": "https://blog.fuzzing-project.org/60-Optionsbleed-HTTP-OPTIONS-method-can-leak-Apaches-server-memory.html" }, { "category": "external", "summary": "https://blog.fuzzing-project.org/uploads/apache-2.2-optionsbleed-backport.patch", "url": "https://blog.fuzzing-project.org/uploads/apache-2.2-optionsbleed-backport.patch" }, { "category": "external", "summary": "https://github.com/apache/httpd/commit/4cc27823899e070268b906ca677ee838d07cf67a", "url": "https://github.com/apache/httpd/commit/4cc27823899e070268b906ca677ee838d07cf67a" }, { "category": "external", "summary": "https://github.com/hannob/optionsbleed", "url": "https://github.com/hannob/optionsbleed" }, { "category": "external", "summary": "https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2017-9798", "url": "https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2017-9798" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/r6521a7f62276340eabdb3339b2aa9a38c5f59d978497a1f794af53be%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/r6521a7f62276340eabdb3339b2aa9a38c5f59d978497a1f794af53be%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3E", "url": "https://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3E" }, { "category": "external", "summary": "https://security-tracker.debian.org/tracker/CVE-2017-9798", "url": "https://security-tracker.debian.org/tracker/CVE-2017-9798" }, { "category": "external", "summary": "https://security.gentoo.org/glsa/201710-32", "url": "https://security.gentoo.org/glsa/201710-32" }, { "category": "external", "summary": "https://security.netapp.com/advisory/ntap-20180601-0003/", "url": "https://security.netapp.com/advisory/ntap-20180601-0003/" }, { "category": "external", "summary": "https://support.apple.com/HT208331", "url": "https://support.apple.com/HT208331" }, { "category": "external", "summary": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03909en_us", "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03909en_us" }, { "category": "external", "summary": "https://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/server/core.c?r1=1805223&r2=1807754&pathrev=1807754&view=patch", "url": "https://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/server/core.c?r1=1805223&r2=1807754&pathrev=1807754&view=patch" }, { "category": "external", "summary": "https://www.exploit-db.com/exploits/42745/", "url": "https://www.exploit-db.com/exploits/42745/" }, { "category": "external", "summary": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html", "url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html" }, { "category": "external", "summary": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html", "url": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html" }, { "category": "external", "summary": "https://www.tenable.com/security/tns-2019-09", "url": "https://www.tenable.com/security/tns-2019-09" }, { "category": "external", "summary": "http://seclists.org/fulldisclosure/2024/Sep/22", "url": "http://seclists.org/fulldisclosure/2024/Sep/22" } ], "release_date": "2017-09-18T15:29:00Z", "remediations": [ { "category": "none_available", "details": "Affected", "product_ids": [ "CentOS-6:httpd-0:2.2.15-72.el6.x86_64", "CentOS-6:httpd-devel-0:2.2.15-72.el6.i686", "CentOS-6:httpd-devel-0:2.2.15-72.el6.x86_64", "CentOS-6:httpd-manual-0:2.2.15-71.el6.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.noarch", "CentOS-6:httpd-tools-0:2.2.15-72.el6.x86_64", "CentOS-6:mod_ssl-1:2.2.15-72.el6.x86_64" ] } ], "scores": [ { "cvss_v2": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0" }, "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" }, "products": [ "CentOS-6:httpd-0:2.2.15-72.el6.tuxcare.els10.x86_64", "CentOS-6:httpd-0:2.2.15-72.el6.x86_64", "CentOS-6:httpd-devel-0:2.2.15-72.el6.i686", "CentOS-6:httpd-devel-0:2.2.15-72.el6.tuxcare.els10.i686", "CentOS-6:httpd-devel-0:2.2.15-72.el6.tuxcare.els10.x86_64", "CentOS-6:httpd-devel-0:2.2.15-72.el6.x86_64", "CentOS-6:httpd-manual-0:2.2.15-71.el6.cloudlinux.els.noarch", "CentOS-6:httpd-manual-0:2.2.15-71.el6.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.cloudlinux.els.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.tuxcare.els10.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.tuxcare.els4.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.tuxcare.els5.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.tuxcare.els6.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.tuxcare.els7.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.tuxcare.els8.noarch", "CentOS-6:httpd-manual-0:2.2.15-72.el6.tuxcare.els9.noarch", "CentOS-6:httpd-tools-0:2.2.15-72.el6.tuxcare.els10.x86_64", "CentOS-6:httpd-tools-0:2.2.15-72.el6.x86_64", "CentOS-6:mod_ssl-1:2.2.15-72.el6.tuxcare.els10.x86_64", "CentOS-6:mod_ssl-1:2.2.15-72.el6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ] } ] }