Security readout for executives and security teams
CVE-2017-9798, known as Optionsbleed, can make vulnerable Apache HTTP Server deployments leak pieces of process memory. The risk is highest where users can set the Limit directive in .htaccess or where httpd.conf is misconfigured. Leaked data is unreliable, but it may include sensitive material. Internet-facing Apache HTTP Server instances are the main concern, especially shared hosting or delegated-content environments allowing user-controlled .htaccess. Exposure is configuration-dependent, not universal across every affected version. Treat this as a high-priority web-server information disclosure issue where affected Apache hosts are exposed externally or shared with untrusted users. Lack of KEV evidence reduces emergency certainty, but possible secret leakage justifies prompt remediation. Mitigation focus: Apply Apache or operating-system vendor fixes for CVE-2017-9798.; Prioritize Apache HTTP Server versions through 2.2.34 and 2.4.x through 2.4.27.; Review .htaccess delegation and Limit directive permissions..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Open ATT&CK lookup- Severity
- Unknown
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- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- RHSA-2017:3113CVE reference · vendor-advisory, x_refsource_REDHAT
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.htmlCVE reference · x_refsource_CONFIRM
- RHSA-2017:2882CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2017:2972CVE reference · vendor-advisory, x_refsource_REDHAT
- https://blog.fuzzing-project.org/uploads/apache-2.2-optionsbleed-backport.patchCVE reference · x_refsource_MISC
- https://support.apple.com/HT208331CVE reference · x_refsource_CONFIRM
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03909en_usCVE reference · x_refsource_CONFIRM
- RHSA-2017:3475CVE reference · vendor-advisory, x_refsource_REDHAT
- https://github.com/hannob/optionsbleedCVE reference · x_refsource_MISC
- https://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/server/core.c?r1=1805223&r2=1807754&pathrev=1807754&view=patchCVE reference · x_refsource_MISC
- RHSA-2017:3240CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2017:3195CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2017:3018CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2017:3239CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2017:3476CVE reference · vendor-advisory, x_refsource_REDHAT
- https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2017-9798CVE reference · x_refsource_CONFIRM
- RHSA-2017:3114CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2017:3477CVE reference · vendor-advisory, x_refsource_REDHAT
- https://security.netapp.com/advisory/ntap-20180601-0003/CVE reference · x_refsource_CONFIRM
- RHSA-2017:3194CVE reference · vendor-advisory, x_refsource_REDHAT
- https://security-tracker.debian.org/tracker/CVE-2017-9798CVE reference · x_refsource_MISC
- RHSA-2017:3193CVE reference · vendor-advisory, x_refsource_REDHAT
- https://blog.fuzzing-project.org/60-Optionsbleed-HTTP-OPTIONS-method-can-leak-Apaches-server-memory.htmlCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
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