Uses of deprecated API can be used to cause DoS in user-facing endpoints

Impact Several HandleRoute endpoints make use of the deprecated ioutil.ReadAll. ioutil.ReadAll reads all the data into memory. As such, an attacker who sends a large request to the Argo Events server will be able to crash it and cause denial of service. Eventsources susceptible to an out-of-memor...

Node DOS by way of memory exhaustion through ExecSync request in CRI-O

Description An ExecSync request runs a command in a container and returns the output to the Kubelet. It is used for readiness and liveness probes within a pod. The way CRI-O runs ExecSync commands is through conmon. CRI-O asks conmon to start the process, and conmon writes the output to disk. CRI...

Denial Of Service (DoS)

elog is vulnerable to denial of service DoS attacks. CNCF Envoy consumes excessive amounts of memory when proxying HTTP/1.1 requests or responses with many small chunks...

High-Severity RCE Bug Found in Popular Apache Cassandra Database

Researchers have shared details about a now-patched, high-severity security bug in the Apache Cassandra open-source NoSQL distributed database that’s easy to exploit and, if left unpatched, could enable attackers to gain remote code execution RCE. The bug, which involves how Cassandra creates...

Exploit for Uncontrolled Resource Consumption in Siemens 6Bk1602-0Aa12-0Tp0_Firmware

Workaround for CVE-2021-44228 Log4j RCE exploit as a buildpa...

GHSA-35RF-V2JV-GFG7 Privilege escalation to cluster admin on multi-tenant environments

Users that can create Kubernetes Secrets, Service Accounts and Flux Kustomization objects, could execute commands inside the kustomize-controller container by embedding a shell script in a Kubernetes Secret. This can be used to run kubectl commands under the Service Account of kustomize-controlle...

Privilege escalation to cluster admin on multi-tenant environments

Users that can create Kubernetes Secrets, Service Accounts and Flux Kustomization objects, could execute commands inside the kustomize-controller container by embedding a shell script in a Kubernetes Secret. This can be used to run kubectl commands under the Service Account of kustomize-controlle...

GHSA-M45G-F45X-VV22 Improper input validation in CNCF Cortex

The Alertmanager in CNCF Cortex before 1.8.1 has a local file disclosure vulnerability when -experimental.alertmanager.enable-api is used. The HTTP basic auth passwordfile can be used as an attack vector to send any file content via a webhook. The alertmanager templates can be used as an attack...

Improper input validation in CNCF Cortex

The Alertmanager in CNCF Cortex before 1.8.1 has a local file disclosure vulnerability when -experimental.alertmanager.enable-api is used. The HTTP basic auth passwordfile can be used as an attack vector to send any file content via a webhook. The alertmanager templates can be used as an attack...

SQL Injection in Cloud Native Computing Foundation Harbor

Cloud Native Computing Foundation Harbor prior to 1.8.6 and 1.9.3 allows SQL Injection via project quotas in the VMware Harbor Container Registry for the Pivotal Platform...

CVE-2021-31232

The Alertmanager in CNCF Cortex before 1.8.1 has a local file disclosure vulnerability when -experimental.alertmanager.enable-api is used. The HTTP basic auth passwordfile can be used as an attack vector to send any file content via a webhook. The alertmanager templates can be used as an attack...

CVE-2021-31232

The Alertmanager in CNCF Cortex before 1.8.1 has a local file disclosure vulnerability when -experimental.alertmanager.enable-api is used. The HTTP basic auth passwordfile can be used as an attack vector to send any file content via a webhook. The alertmanager templates can be used as an attack...

CVE-2021-31232

The CVE-2021-31232 issue affects Cortex’s Alertmanager before version 1.8.1. Root cause: when -experimental.alertmanager.enable-api is enabled, the HTTP basic auth password_file can be used as an attack vector to leak any file content via a webhook, and Alertmanager templates can load any text fi...

CVE-2021-31232

The Alertmanager in CNCF Cortex before 1.8.1 has a local file disclosure vulnerability when -experimental.alertmanager.enable-api is used. The HTTP basic auth passwordfile can be used as an attack vector to send any file content via a webhook. The alertmanager templates can be used as an attack...

Exploit for Off-by-one Error in Sudo_Project Sudo

CVE-2021-3156 Note: These instructions are my own and not...

[SECURITY] Fedora 33 Update: nats-server-2.1.9-1.fc33

A High Performance NATS Server written in Go and hosted by the Cloud Native Computing Foundation CNCF...

How to easily protect any Kubernetes application?

The king of container orchestration needs the best security companion: Wallarm WAF. When it comes to speed, portability, and the advantages of microservices architecture, no other product can compete with Kubernetes as a container orchestrator. Nevertheless, even the best solutions have challenge...

How to easily protect any Kubernetes application?

The king of container orchestration needs the best security companion: Wallarm WAF. When it comes to speed, portability, and the advantages of microservices architecture, no other product can compete with Kubernetes as a container orchestrator. Nevertheless, even the best solutions have challenge...

CVE-2020-8660

CNCF Envoy through 1.13.0 TLS inspector bypass. TLS inspector could have been bypassed not recognized as a TLS client by a client using only TLS 1.3. Because TLS extensions SNI, ALPN were not inspected, those connections might have been matched to a wrong filter chain, possibly bypassing some...

CVE-2020-8660

CNCF Envoy through 1.13.0 TLS inspector bypass. TLS inspector could have been bypassed not recognized as a TLS client by a client using only TLS 1.3. Because TLS extensions SNI, ALPN were not inspected, those connections might have been matched to a wrong filter chain, possibly bypassing some...