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[Japanese]
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JVNDB-2021-000090
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Apache HTTP Server vulnerable to directory traversal
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Apache HTTP Server provided by The Apache Software Foundation contains a directory traversal vulnerability (CWE-22).
Shungo Kumasaka of Internet Initiative Japan Inc. reported this vulnerability to the developer, and also to IPA in order to notify users of its solution through JVN.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
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CVSS V3 Severity:
Base Metrics 7.5 (High) [IPA Score]
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Confidentiality Impact: High
- Integrity Impact: None
- Availability Impact: None
CVSS V2 Severity:
Base Metrics 5.0 (Medium) [IPA Score]
- Access Vector: Network
- Access Complexity: Low
- Authentication: None
- Confidentiality Impact: Partial
- Integrity Impact: None
- Availability Impact: None
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Apache Software Foundation
- Apache HTTP Server 2.4.49 and 2.4.50
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A remote attacker may access the unprotected files in "require all denied" placed outside of the document root.
Moreover, if CGI scripts are enabled, arbitrary code may be executed.
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[Update the Software]
Update to the latest version according to the information provided by the developer.
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Apache Software Foundation
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- Path Traversal(CWE-22) [IPA Evaluation]
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- CVE-2021-42013
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- JVN : JVN#51106450
- National Vulnerability Database (NVD) : CVE-2021-42013
- IPA SECURITY ALERTS : Security Alert for Vulnerability in Apache HTTP Server (JVN#51106450) (in Japanese)
- JPCERT : [Updated] Alert Regarding Path Traversal Vulnerability (CVE-2021-41773) in Apache HTTP Server
- CISA Known Exploited Vulnerabilities Catalog : CVE-2021-42013
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- [2021/10/11]
Web page was published
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