CVE-2018-11763— Apache HTTP Server 输入验证错误漏洞

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

利用概率较高，应尽快评估

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版本至2.4.34版本中存在安全漏洞。攻击者可通过持续发送较大的SETTINGS帧利用该漏洞在客户端占据连接，服务器线程和CPU时间时造成连接超时失效，导致拒绝服务。

CVE-2018-11763 影响 Apache Software Foundation Apache HTTP Server。利用概率较高，应尽快评估。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版本至2.4.34版本中存在安全漏洞。攻击者可通过持续发送较大的SETTINGS帧利用该漏洞在客户端占据连接，服务器线程和CPU时间时造成连接超时失效，导 CVE-2018-11763 漏洞详情，神龙漏洞库，https://cve.imfht.com/detail/CVE-2018-11763

一、 漏洞 CVE-2018-11763 基础信息

受影响产品

二、漏洞 CVE-2018-11763 的公开POC

三、漏洞 CVE-2018-11763 的情报信息

CVE-2018-11763 厂商安全公告 (10)

• https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html x_refsource_CONFIRM
• https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html x_refsource_MISC
• https://security.netapp.com/advisory/ntap-20190204-0004/ x_refsource_CONFIRM
• Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project x_refsource_CONFIRM
• http://www.securityfocus.com/bid/105414 vdb-entry x_refsource_BID
• http://www.securitytracker.com/id/1041713 vdb-entry x_refsource_SECTRACK
• https://usn.ubuntu.com/3783-1/ vendor-advisory x_refsource_UBUNTU
• https://access.redhat.com/errata/RHSA-2019:0367 vendor-advisory x_refsource_REDHAT
• https://access.redhat.com/errata/RHSA-2019:0366 vendor-advisory x_refsource_REDHAT
• https://access.redhat.com/errata/RHSA-2018:3558 vendor-advisory x_refsource_REDHAT

CVE-2018-11763 邮件列表归档 (14)

• http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00056.html vendor-advisory x_refsource_SUSE
• http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00030.html vendor-advisory x_refsource_SUSE
• https://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3E mailing-list x_refsource_MLIST
• 🔗 svn commit: r1073143 [3/3] - in /websites/staging/httpd/trunk/content: ./ security/-Apache Mail Archives 查看完整文章 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/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%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/r6521a7f62276340eabdb3339b2aa9a38c5f59d978497a1f794af53be%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/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%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-2018-11763 其他参考 (2)

• https://www.tenable.com/security/tns-2019-09 x_refsource_CONFIRM
• https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03909en_us x_refsource_CONFIRM

• https://www.cve.org/CVERecord?id=CVE-2018-11763

IV. Related Vulnerabilities

V. Comments for CVE-2018-11763