CVE-2019-11477— Linux kernel 输入验证错误漏洞

一分钟漏洞结论

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影响对象

Linux Linux kernel

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。

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel中的网络子系统处理TCP Selective Acknowledgment (SACK)片段的方法存在输入验证错误漏洞。攻击者可利用该漏洞造成拒绝服务。

CVE-2019-11477 影响 Linux Linux kernel。存在公开或 AI PoC，应优先验证。Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel中的网络子系统处理TCP Selective Acknowledgment (SACK)片段的方法存在输入验证错误漏洞。攻击者可利用该漏洞造成拒绝服务。 CVE-2019-11477 漏洞详情，神龙漏洞库，https://cve.imfht.com/detail/CVE-2019-11477

一、 漏洞 CVE-2019-11477 基础信息

受影响产品

二、漏洞 CVE-2019-11477 的公开POC

三、漏洞 CVE-2019-11477 的情报信息

CVE-2019-11477 补丁与修复 (1)

• https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=3b4929f65b0d8249f19a50245cd88ed1a2f78cff x_refsource_MISC

CVE-2019-11477 厂商安全公告 (11)

• https://support.f5.com/csp/article/K78234183 x_refsource_CONFIRM
• https://security.netapp.com/advisory/ntap-20190625-0001/ x_refsource_CONFIRM
• https://www.oracle.com/security-alerts/cpuoct2020.html x_refsource_MISC
• https://www.oracle.com/security-alerts/cpujan2020.html x_refsource_MISC
• http://www.vmware.com/security/advisories/VMSA-2019-0010.html x_refsource_CONFIRM
• https://www.us-cert.gov/ics/advisories/icsa-19-253-03 x_refsource_MISC
• https://access.redhat.com/security/vulnerabilities/tcpsack x_refsource_MISC
• https://www.kb.cert.org/vuls/id/905115 third-party-advisory x_refsource_CERT-VN
• https://access.redhat.com/errata/RHSA-2019:1602 vendor-advisory x_refsource_REDHAT
• https://access.redhat.com/errata/RHSA-2019:1594 vendor-advisory x_refsource_REDHAT
• https://access.redhat.com/errata/RHSA-2019:1699 vendor-advisory x_refsource_REDHAT

CVE-2019-11477 公开利用代码 (1)

• http://packetstormsecurity.com/files/153346/Kernel-Live-Patch-Security-Notice-LSN-0052-1.html x_refsource_MISC

CVE-2019-11477 邮件列表归档 (6)

• http://www.openwall.com/lists/oss-security/2019/10/24/1 mailing-list x_refsource_MLIST
• http://www.openwall.com/lists/oss-security/2019/06/28/2 mailing-list x_refsource_MLIST
• http://www.openwall.com/lists/oss-security/2019/07/06/3 mailing-list x_refsource_MLIST
• http://www.openwall.com/lists/oss-security/2019/07/06/4 mailing-list x_refsource_MLIST
• http://www.openwall.com/lists/oss-security/2019/10/29/3 mailing-list x_refsource_MLIST
• http://www.openwall.com/lists/oss-security/2019/06/20/3 mailing-list x_refsource_MLIST

CVE-2019-11477 其他参考 (8)

• https://www.synology.com/security/advisory/Synology_SA_19_28 x_refsource_CONFIRM
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0006 x_refsource_CONFIRM
• https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md x_refsource_MISC
• https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SACKPanic x_refsource_MISC
• http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-kernel-en x_refsource_CONFIRM
• http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-010.txt x_refsource_CONFIRM
• https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193 x_refsource_CONFIRM
• https://kc.mcafee.com/corporate/index?page=content&id=SB10287 x_refsource_CONFIRM

• https://www.cve.org/CVERecord?id=CVE-2019-11477

同批安全公告 · Linux · 2019-06-18 · 共 3 条

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