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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2017-9798 Detail

Description

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://openwall.com/lists/oss-security/2017/09/18/2 Apache Software Foundation, CVE Mailing List  VDB Entry 
http://seclists.org/fulldisclosure/2024/Sep/22 CVE
http://www.debian.org/security/2017/dsa-3980 Apache Software Foundation, CVE Third Party Advisory 
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html Apache Software Foundation, CVE Patch  Third Party Advisory 
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html Apache Software Foundation, CVE Patch  Third Party Advisory 
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html Apache Software Foundation, CVE Patch  Third Party Advisory 
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html Apache Software Foundation, CVE Patch  Third Party Advisory 
http://www.securityfocus.com/bid/100872 Apache Software Foundation, CVE Third Party Advisory  VDB Entry 
http://www.securityfocus.com/bid/105598 Apache Software Foundation, CVE Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1039387 Apache Software Foundation, CVE Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHSA-2017:2882 Apache Software Foundation, CVE Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:2972 Apache Software Foundation, CVE Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:3018 Apache Software Foundation, CVE Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:3113 Apache Software Foundation, CVE Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:3114 Apache Software Foundation, CVE Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:3193 Apache Software Foundation, CVE Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:3194 Apache Software Foundation, CVE Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:3195 Apache Software Foundation, CVE Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:3239 Apache Software Foundation, CVE Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:3240 Apache Software Foundation, CVE Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:3475 Apache Software Foundation, CVE Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:3476 Apache Software Foundation, CVE Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:3477 Apache Software Foundation, CVE Third Party Advisory 
https://blog.fuzzing-project.org/60-Optionsbleed-HTTP-OPTIONS-method-can-leak-Apaches-server-memory.html Apache Software Foundation, CVE Exploit  Patch  Technical Description  Third Party Advisory 
https://blog.fuzzing-project.org/uploads/apache-2.2-optionsbleed-backport.patch Apache Software Foundation, CVE Exploit  Patch  Technical Description  Third Party Advisory 
https://github.com/apache/httpd/commit/4cc27823899e070268b906ca677ee838d07cf67a Apache Software Foundation, CVE Patch  Vendor Advisory 
https://github.com/hannob/optionsbleed Apache Software Foundation, CVE Exploit  Third Party Advisory 
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2017-9798 Apache Software Foundation, CVE Vendor Advisory 
https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://lists.apache.org/thread.html/r6521a7f62276340eabdb3339b2aa9a38c5f59d978497a1f794af53be%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3E Apache Software Foundation, CVE
https://security-tracker.debian.org/tracker/CVE-2017-9798 Apache Software Foundation, CVE Third Party Advisory 
https://security.gentoo.org/glsa/201710-32 Apache Software Foundation, CVE Third Party Advisory 
https://security.netapp.com/advisory/ntap-20180601-0003/ Apache Software Foundation, CVE Third Party Advisory 
https://support.apple.com/HT208331 Apache Software Foundation, CVE Third Party Advisory 
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03909en_us Apache Software Foundation, CVE Third Party Advisory 
https://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/server/core.c?r1=1805223&r2=1807754&pathrev=1807754&view=patch Apache Software Foundation, CVE Vendor Advisory 
https://www.exploit-db.com/exploits/42745/ Apache Software Foundation, CVE Exploit  Third Party Advisory  VDB Entry 
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html Apache Software Foundation, CVE Patch  Third Party Advisory 
https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html Apache Software Foundation, CVE Patch  Third Party Advisory 
https://www.tenable.com/security/tns-2019-09 Apache Software Foundation, CVE Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

34 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-9798
NVD Published Date:
09/18/2017
NVD Last Modified:
05/12/2026
Source:
Apache Software Foundation