CVE-2017-9789
Quick assessment
Affected
Apache Software Foundation Apache HTTP Server
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Apache httpd是美国阿帕奇（Apache）软件基金会的一款专为现代操作系统开发和维护的开源HTTP服务器。 Apache httpd 2.4.26版本中的HTTP/2处理代码存在释放后重用漏洞。攻击者可利用该漏洞造成拒绝服务或获取敏感信息。
Possible ATT&CK Techniques 3 AI
T1518 · Software Discovery T1074 · Data Staged T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2017-9789
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When under stress, closing many connections, the HTTP/2 handling code in Apache httpd 2.4.26 would sometimes access memory after it has been freed, resulting in potentially erratic behaviour.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Apache httpd 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache httpd是美国阿帕奇（Apache）软件基金会的一款专为现代操作系统开发和维护的开源HTTP服务器。 Apache httpd 2.4.26版本中的HTTP/2处理代码存在释放后重用漏洞。攻击者可利用该漏洞造成拒绝服务或获取敏感信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server | 2.4.26 | - |
|
II. Public POCs for CVE-2017-9789
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2017-9789 (6)
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https://security.netapp.com/advisory/ntap-20170911-0002/ x_refsource_CONFIRM
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https://support.apple.com/HT208221 x_refsource_CONFIRM
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Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project x_refsource_CONFIRM
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Mailing List Discussions for CVE-2017-9789 (15)
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https://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
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https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
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https://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
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https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
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https://lists.apache.org/thread.html/r6521a7f62276340eabdb3339b2aa9a38c5f59d978497a1f794af53be%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
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https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
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https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
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https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
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🔗 svn commit: r1075470 [4/4] - 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-Apache Mail Archives Read full article mailing-list x_refsource_MLIST
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https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
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https://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
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https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
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https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
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https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
Other References for CVE-2017-9789 (1)
Same Patch Batch · Apache Software Foundation · 2017-07-13 · 4 CVEs total
| CVE-2017-7672 | Apache Struts 2 安全漏洞 | |
| CVE-2017-9787 | Apache Struts 2 安全漏洞 | |
| CVE-2017-9788 | Apache httpd 安全漏洞 |
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