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技术前沿

KnowSafe 安全预警:Trustwave ModSecurity 3.0.0~3.0.3 远程拒绝服务漏洞

KnowSafe 安全预警:KnowSafe 安全团队监测到编号 AVD-2019-19886 的安全漏洞(危害等级:高危)已公开披露,相关用户应尽快排查并完成修复。

漏洞介绍

Trustwave ModSecurity 3.0.0到3.0.3允许攻击者发送精心制作的请求,这些请求在以大容量快速发送时可能由于transaction.cc中Transaction::addRequestHeader的漏洞而导致服务器变慢或无响应(拒绝服务)。

影响范围

应用:trustwave modsecurity(影响面 Up to (including) 3.0.3)

系统:debian_10 modsecurity(影响面 Up to (excluding) 3.0.3-1+deb10u1)

系统:debian_11 modsecurity(影响面 Up to (excluding) 3.0.4-1)

系统:debian_12 modsecurity(影响面 Up to (excluding) 3.0.4-1)

系统:fedora_30 libmodsecurity(影响面 Up to (excluding) 3.0.2-6.fc30)

系统:fedora_31 libmodsecurity(影响面 Up to (excluding) 3.0.3-6.fc31)

系统:fedora_32 libmodsecurity(影响面 Up to (excluding) 3.0.3-6.fc32)

系统:fedora_EPEL_7 libmodsecurity(影响面 Up to (excluding) 3.0.2-6.el7)

解决方案

建议您更新当前系统或软件至最新版,完成漏洞的修复。

参考信息

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GWVUC54OPU7ICFYIXXVGQ5DOTMR4Z6ZY/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JI3MNFRNUZD6RAJ5CPQZSUXQXDZ2K7IL/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7IIUNYIEZOWHRWWRVT3FR45MLE6HGDY/

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GWVUC54OPU7ICFYIXXVGQ5DOTMR4Z6ZY/

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JI3MNFRNUZD6RAJ5CPQZSUXQXDZ2K7IL/

KnowSafe 将持续跟踪该漏洞的利用情况与修复进展,如需漏洞管理与应急响应支持,欢迎联系 KnowSafe 安全团队。