CVE-2016-8740— Apache HTTP Server 拒绝服务漏洞

一分钟漏洞结论

复制摘要 复制引用

影响对象

Apache Software Foundation Apache HTTP Server

利用判断

存在公开或 AI PoC，应优先验证

建议动作

优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Apache HTTP Server是美国阿帕奇（Apache）软件基金会的一款开源网页服务器。该服务器具有快速、可靠且可通过简单的API进行扩充的特点。 Apache HTTP Server 2.4.17至2.4.23版本的‘mod_http2’模块中存在安全漏洞，该漏洞源于当Protocols配置文件包含h2或h2c时，程序没有限制request-header长度。远程攻击者可通过发送特制的HTTP/2请求利用该漏洞造成拒绝服务（内存消耗）。

CVE-2016-8740 影响 Apache Software Foundation Apache HTTP Server。存在公开或 AI PoC，应优先验证。Apache HTTP Server是美国阿帕奇（Apache）软件基金会的一款开源网页服务器。该服务器具有快速、可靠且可通过简单的API进行扩充的特点。 Apache HTTP Server 2.4.17至2.4.23版本的‘mod_http2’模块中存在安全漏洞，该漏洞源于当Protocols配置文件包含h2或h2c时，程序没有限制request-hea CVE-2016-8740 漏洞详情，神龙漏洞库，https://cve.imfht.com/detail/CVE-2016-8740

一、 漏洞 CVE-2016-8740 基础信息

受影响产品

二、漏洞 CVE-2016-8740 的公开POC

三、漏洞 CVE-2016-8740 的情报信息

CVE-2016-8740 补丁与修复 (1)

• https://github.com/apache/httpd/commit/29c63b786ae028d82405421585e91283c8fa0da3 x_refsource_CONFIRM

CVE-2016-8740 厂商安全公告 (9)

• https://support.apple.com/HT208221 x_refsource_CONFIRM
• https://security.netapp.com/advisory/ntap-20180423-0001/ x_refsource_CONFIRM
• http://www.securityfocus.com/bid/94650 vdb-entry x_refsource_BID
• http://www.securitytracker.com/id/1037388 vdb-entry x_refsource_SECTRACK
• https://access.redhat.com/errata/RHSA-2017:1414 vendor-advisory x_refsource_REDHAT
• http://rhn.redhat.com/errata/RHSA-2017-1415.html vendor-advisory x_refsource_REDHAT
• https://access.redhat.com/errata/RHSA-2017:1161 vendor-advisory x_refsource_REDHAT
• https://access.redhat.com/errata/RHSA-2017:1413 vendor-advisory x_refsource_REDHAT
• https://security.gentoo.org/glsa/201701-36 vendor-advisory x_refsource_GENTOO

CVE-2016-8740 公开利用代码 (2)

• http://packetstormsecurity.com/files/140023/Apache-HTTPD-Web-Server-2.4.23-Memory-Exhaustion.html x_refsource_MISC
• https://www.exploit-db.com/exploits/40909/ exploit x_refsource_EXPLOIT-DB

CVE-2016-8740 邮件列表归档 (14)

• https://lists.apache.org/thread.html/re1e3a24664d35bcd0a0e793e0b5fc6ca6c107f99a1b2c545c5d4b467%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
• https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
• https://lists.apache.org/thread.html/r04e89e873d54116a0635ef2f7061c15acc5ed27ef7500997beb65d6f%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
• https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
• https://lists.apache.org/thread.html/rb14daf9cc4e28d18cdc15d6a6ca74e565672fabf7ad89541071d008b%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
• https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
• https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
• https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
• https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
• 🔗 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 查看完整文章 mailing-list x_refsource_MLIST
• https://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
• https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
• https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
• https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST

CVE-2016-8740 其他参考 (2)

• https://www.tenable.com/security/tns-2017-04 x_refsource_CONFIRM
• https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03725en_us x_refsource_CONFIRM

• https://www.cve.org/CVERecord?id=CVE-2016-8740

IV. Related Vulnerabilities

V. Comments for CVE-2016-8740