kernel: netfilter: use-after-free in tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c

The tcpmssmanglepacket function in net/netfilter/xtTCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service use-after-free and memory corruption or possibly have unspecified other impact by leveraging the presence of xtTCPMSS in an...

kernel: netfilter: use-after-free in tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c

The tcpmssmanglepacket function in net/netfilter/xtTCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service use-after-free and memory corruption or possibly have unspecified other impact by leveraging the presence of xtTCPMSS in an...

JShielder - Automates The Process Of Installing All The Necessary Packages To Host A Web Application And Hardening A Linux Server

JSHielder is an Open Source tool developed to help SysAdmin and developers secure there Linux Servers in which they will be deploying any web application or services. This tool automates the process of installing all the necessary packages to host a web application and Hardening a Linux server wi...

kernel: netfilter: use-after-free in tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c

The tcpmssmanglepacket function in net/netfilter/xtTCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service use-after-free and memory corruption or possibly have unspecified other impact by leveraging the presence of xtTCPMSS in an...

kernel: netfilter: use-after-free in tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c

The tcpmssmanglepacket function in net/netfilter/xtTCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service use-after-free and memory corruption or possibly have unspecified other impact by leveraging the presence of xtTCPMSS in an...

RedisWannaMine Unveiled: New Cryptojacking Attack Powered by Redis and NSA Exploits

Recently cryptojacking attacks have been spreading like wildfire. At Imperva we have witnessed it firsthand and even concluded that these attacks hold roughly 90% of all remote code execution attacks in web applications. Having said that, all of the attacks we have seen so far, were somewhat...

CFC - Linux Centralized Firewall Control

Centralized firewall control provides a centralized way to manage the firewall on multiple servers or loadbalancers running iptables. This way you can quickly allow/block/del/search abuse ranges etc. with one command on several servers. It accesses those servers through ssh. It supports both IPv4...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7.3 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Virtuozzo 7 : readykernel-patch (VZA-2018-005)

According to the version of the vzkernel package and the readykernel-patch installed, the Virtuozzo installation on the remote host is affected by the following vulnerability : - If the system uses iptables and there are iptables rules with TCPMSS action there, a remote attacker could cause a...

Linux/x86-64 - Flush IPTables Rules (execve("/sbin/iptables", ["/sbin/iptables", "-F"], NULL)) Shellcode (43 bytes)

Linux/x86-64 - Flush IPTables Rules execve"/sbin/iptables", "/sbin/iptables", "-F", NULL Shellcode 43 bytes. Shellcode ... / section .text global start start: push 0x3b pop rax cdq push rdx push word 0x462d push rsp pop rcx push rdx mov rbx, 0x73656c6261747069 push rbx mov rbx, 0x2f2f2f6e6962732f...

Kernel security update: CVE-2017-18017; Virtuozzo ReadyKernel patch 42.0 for Virtuozzo 7.0.4, 7.0.4 HF3, 7.0.5, 7.0.6, and 7.0.6 HF3

The cumulative Virtuozzo ReadyKernel patch was updated with a security fix. The patch applies to Virtuozzo kernels 3.10.0-514.16.1.vz7.30.10 Virtuozzo 7.0.4, 3.10.0-514.16.1.vz7.30.15 Virtuozzo 7.0.4 HF3, 3.10.0-514.26.1.vz7.33.22 Virtuozzo 7.0.5, 3.10.0-693.1.1.vz7.37.30 Virtuozzo 7.0.6, and...

Linux/x86-64 - execve (/sbin/iptables, [/sbin/iptables, -F], NULL) Shellcode (43 bytes)

/ section .text global start start: push 0x3b pop rax cdq push rdx push word 0x462d push rsp pop rcx push rdx mov rbx, 0x73656c6261747069 push rbx mov rbx, 0x2f2f2f6e6962732f push rbx push rsp pop rdi push rdx push rcx push rdi push rsp pop rsi ; execve"/sbin/iptables", "/sbin/iptables", "-F",...

CVE-2017-18017

The tcpmssmanglepacket function in net/netfilter/xtTCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service use-after-free and memory corruption or possibly have unspecified other impact by leveraging the presence of xtTCPMSS in an...

Memory corruption

The tcpmssmanglepacket function in net/netfilter/xtTCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service use-after-free and memory corruption or possibly have unspecified other impact by leveraging the presence of xtTCPMSS in an...

CVE-2017-18017

The tcpmssmanglepacket function in net/netfilter/xtTCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service use-after-free and memory corruption or possibly have unspecified other impact by leveraging the presence of xtTCPMSS in an...

DEBIAN-CVE-2017-18017

The tcpmssmanglepacket function in net/netfilter/xtTCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service use-after-free and memory corruption or possibly have unspecified other impact by leveraging the presence of xtTCPMSS in an...

CVE-2017-18017

CVE-2017-18017 affects the Linux kernel’s tcpmss_mangle_packet in net/netfilter/xt_TCPMSS.c. When xt_TCPMSS is used in an iptables action, a remote attacker can trigger a use-after-free and memory corruption, leading to a denial of service. Affected versions are Linux kernel before 4.11, and 4.9....

CVE-2017-18017

The tcpmssmanglepacket function in net/netfilter/xtTCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service use-after-free and memory corruption or possibly have unspecified other impact by leveraging the presence of xtTCPMSS in an...

CVE-2017-18017

The tcpmssmanglepacket function in net/netfilter/xtTCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service use-after-free and memory corruption or possibly have unspecified other impact by leveraging the presence of xtTCPMSS in an...

UBUNTU-CVE-2017-18017

The tcpmssmanglepacket function in net/netfilter/xtTCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service use-after-free and memory corruption or possibly have unspecified other impact by leveraging the presence of xtTCPMSS in an...