IIS modules: The evolution of web shells and how to detect them

Web exploitation and web shells are some of the most common entry points in the current threat landscape. Web servers provide an external avenue directly into your corporate network, which often results in web servers being an initial intrusion vector or mechanism of persistence. Monitoring for...

Design/Logic Flaw

FISCO-BCOS release-3.0.0-rc2 was discovered to contain an issue where a malicious node, via an invalid proposal with an invalid header, will cause normal nodes to stop producing new blocks and processing new clients' requests...

PT-2022-19321 · Unknown · Fisco-Bcos

Name of the Vulnerable Software and Affected Versions: FISCO-BCOS version release-3.0.0-rc2 Description: The issue allows a malicious node to cause normal nodes to stop producing new blocks and processing new clients' requests by sending an invalid proposal with an invalid header. Recommendations...

FISCO-BCOS 输入验证错误漏洞

FISCO-BCOS is an externally open-source, secure and controlled enterprise-grade financial blockchain underlying technology platform. A security vulnerability exists in FISCO-BCOS release-3.0.0-rc2. An attacker exploiting this vulnerability could cause normal nodes to stop generating new blocks an...

CVE-2022-0982

The telnetinputchar function in opt/src/accel-pppd/cli/telnet.c suffers from a memory corruption vulnerability, whereby user input cmdlinelen is copied into a fixed buffer b-buf without any bound checks. If the server connects with a malicious client, crafted client requests can remotely trigger...

CVE-2022-24705

The radpacketrecv function in radius/packet.c suffers from a memcpy buffer overflow, resulting in an overly-large recvfrom into a fixed buffer that causes a buffer overflow and overwrites arbitrary memory. If the server connects with a malicious client, crafted client requests can remotely trigge...

CVE-2022-24705

The radpacketrecv function in radius/packet.c suffers from a memcpy buffer overflow, resulting in an overly-large recvfrom into a fixed buffer that causes a buffer overflow and overwrites arbitrary memory. If the server connects with a malicious client, crafted client requests can remotely trigge...

The vulnerability of Cisco Aironet access point software’s microprogramming system allows attackers to restart the device by manipulating authentication requests from multiple clients.

The vulnerability of Cisco Aironet Access Point’s microprogramming software is related to errors in processing authentication requests from multiple clients. Exploiting this vulnerability could allow a malicious actor to reboot the device remotely...

varnish: not clearing pointer between two client requests leads to information disclosure

An issue was discovered in Varnish Cache before 6.0.5 LTS, 6.1.x and 6.2.x before 6.2.2, and 6.3.x before 6.3.1. It does not clear a pointer between the handling of one client request and the next request within the same connection. This sometimes causes information to be disclosed from the...

Denial Of Service (DoS)

PC/SC Lite is vulnerable to Denial Of Service DoS.It is possible due to the way the pcscd daemon coordinates communications with smart card readers and smart cards connected to the system, handled client requests. A local user could create a specially-crafted request that would cause the pcscd...

CVE-2019-20637

An issue was discovered in Varnish Cache before 6.0.5 LTS, 6.1.x and 6.2.x before 6.2.2, and 6.3.x before 6.3.1. It does not clear a pointer between the handling of one client request and the next request within the same connection. This sometimes causes information to be disclosed from the...

CVE-2019-16152

A Denial of service DoS vulnerability in FortiClient for Linux 6.2.1 and below may allow an user with low privilege to cause FortiClient processes running under root privilege crashes via sending specially crafted IPC client requests to the fctsched process due the nanomsg not been correctly...

CVE-2019-6474

A missing check on incoming client requests can be exploited to cause a situation where the Kea server's lease storage contains leases which are rejected as invalid when the server tries to load leases from storage on restart. If the number of such leases exceeds a hard-coded limit in the Kea cod...

CVE-2019-6474

A missing check on incoming client requests can be exploited to cause a situation where the Kea server's lease storage contains leases which are rejected as invalid when the server tries to load leases from storage on restart. If the number of such leases exceeds a hard-coded limit in the Kea cod...

vertx: Improper neutralization of CRLF sequences allows remote attackers to inject arbitrary HTTP response headers

In Eclipse Vert.x version 3.0 to 3.5.1, the HttpServer response headers and HttpClient request headers do not filter carriage return and line feed characters from the header value. This allow unfiltered values to inject a new header in the client request or server response...

spring-framework: Multipart content pollution

Spring Framework, versions 5.0 prior to 5.0.5 and versions 4.3 prior to 4.3.15 and older unsupported versions, provide client-side support for multipart requests. When Spring MVC or Spring WebFlux server application server A receives input from a remote client, and then uses that input to make a...

Important: dhcp

Issue Overview: Buffer overflow in dhclient possibly allowing code execution triggered by malicious server An out-of-bound memory access flaw was found in the way dhclient processed a DHCP response packet. A malicious DHCP server could potentially use this flaw to crash dhclient processes running...

CVE-2017-6139

In F5 BIG-IP APM software version 13.0.0 and 12.1.2, under rare conditions, the BIG-IP APM system appends log details when responding to client requests. Details in the log file can vary; customers running debug mode logging with BIG-IP APM are at highest risk...

Design/Logic Flaw

In F5 BIG-IP APM software version 13.0.0 and 12.1.2, under rare conditions, the BIG-IP APM system appends log details when responding to client requests. Details in the log file can vary; customers running debug mode logging with BIG-IP APM are at highest risk...

CVE-2017-5637

Two four letter word commands "wchp/wchc" are CPU intensive and could cause spike of CPU utilization on Apache ZooKeeper server if abused, which leads to the server unable to serve legitimate client requests. Apache ZooKeeper thru version 3.4.9 and 3.5.2 suffer from this issue, fixed in 3.4.10,...