What to do when your business has been hacked

You might be here because the unthinkable has happened so let’s get straight into this, step by step: Immediate containment. Inform stakeholders. Inform law enforcement. Implement your disaster recovery plan. Analyze and future proof. Early warning signs may be unusual user-account behavior, slow...

MISP Cross-Site Scripting Vulnerability (CNVD-2021-61086)

MISP is an open source software solution. The product is used to collect, store, distribute, and share network security metrics, and has features such as threat network security event analysis and malware analysis. A cross-site scripting vulnerability exists in MISP, which stems from...

MISP Cross-Site Scripting Vulnerability (CNVD-2021-61084)

MISP is an open source software solution. The product is used to collect, store, distribute, and share network security metrics, and has features such as threat network security event analysis and malware analysis. a cross-site scripting vulnerability exists in MISP, which stems from...

Imperva mitigated its largest attack as a provider of DDoS protection

In July, Imperva mitigated its largest attack as a provider of DDoS protection, and one of the largest DDoS attacks so far in 2021. The attack lasted for 40 minutes and generated a massive throughput of 1.02 terabytes per second Tbps and 155 million packets per second Mpps. Imperva also mitigated...

in babybuddy/babybuddy

✍️ Description According to 1 we have : The secure attribute is an option that can be set by the application server when sending a new cookie to the user within an HTTP Response. The purpose of the secure attribute is to prevent cookies from being observed by unauthorized parties due to the...

Security Bulletin: IBM QRadar Network Packet Capture is vulnerable to using components with known vulnerabilities

Summary The product includes vulnerable components e.g., framework libraries that may be identified and exploited with automated tools. Vulnerability Details CVEID: CVE-2021-25215 DESCRIPTION: ISC BIND is vulnerable to a denial of service, caused by an assertion failure while answering queries fo...

Zeek in Action Videos

This is a quick note to point blog readers to my Zeek in Action YouTube video series for the Zeek network security monitoring project. Each video addresses a topic that I think might be of interest to people trying to understand their network using Zeek and adjacent tools and approaches, like...

BazaCall: Phony call centers lead to exfiltration and ransomware

Our continued investigation into BazaCall campaigns, those that use fraudulent call centers that trick unsuspecting users into downloading the BazaLoader malware, shows that this threat is more dangerous than what’s been discussed publicly in other security blogs and covered by the media. Apart...

The SysAdmin Class for the World’s Greatest Role-Playing Game

If you’re not sure what a System Administrator SysAdmin does, this is the person in your company or possibly an external contractor who fearlessly oversees the maintenance, care, configuration, and stable operation of your computers and servers. It’s your SysAdmin who is responsible for the...

CVE-2020-10590

CVE-2020-10590 affects Replicated Classic 2.x. The issue is an improperly secured API that exposes sensitive data from the Replicated Admin Console configuration. An attacker with network access to the Admin Console port (8800) on a Replicated Classic server could retrieve the TLS keypair (certif...

New PetitPotam NTLM Relay Attack Lets Hackers Take Over Windows Domains

A newly uncovered security flaw in the Windows operating system can be exploited to coerce remote Windows servers, including Domain Controllers, to authenticate with a malicious destination, thereby allowing an adversary to stage an NTLM relay attack and completely take over a Windows domain. The...

SQL injection vulnerability in Tianyue Network Security Audit System

Providence Peak Network Security Audit System is a compliance management system for fine-grained auditing of users' operations on core IT assets and servers in the network under business environment. A SQL injection vulnerability exists in Tianyue Network Security Audit System. An attacker can...

Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2021:2427-1 Rating: important References: 1153720 1174978 1179610 1181193 1185428 1185701 1185861 1186463 1186484 1187038 1187050 1187215 1187452 1187554 1187595 1187601 1188062 1188116 Cross-References:...

Mitsubishi Electric MELSEC-F Series

1. EXECUTIVE SUMMARY CVSS v3 7.5 ATTENTION: Exploitable remotely/low attack complexity Vendor: Mitsubishi Electric Equipment: MELSEC-F Series Vulnerability: NULL Pointer Dereference 2. RISK EVALUATION Successful exploitation of this vulnerability may cause a denial-of-service condition in...

Don’t Wanna Pay Ransom Gangs? Test Your Backups.

Browse the comments on virtually any story about a ransomware attack and you will almost surely encounter the view that the victim organization could have avoided paying their extortionists if only theyd had proper data backups. But the ugly truth is there are many non-obvious reasons why victims...

Memory corruption

Manage Engine Asset Explorer Agent 1.0.34 listens on port 9000 for incoming commands over HTTPS from Manage Engine Server. The HTTPS certificates are not verified which allows any arbitrary user on the network to send commands over port 9000. While these commands may not be executed due to...

CVE-2021-20109

CVE-2021-20109 affects Zoho ManageEngine AssetExplorer: an Asset Explorer agent that does not validate HTTPS certificates allows a network attacker to spoof the server IP and issue NEWSCAN requests, potentially triggering the agent to reveal its HTTP requests and tokens. The root cause is a heap ...

Cilium - eBPF-based Networking, Security, And Observability

Cilium is open source software for providing and transparently securing network connectivity and loadbalancing between application workloads such as application containers or processes. Cilium operates at Layer 3/4 to provide traditional networking and security services as well as Layer 7 to...

CVE-2021-36213

HashiCorp Consul and Consul Enterprise versions 1.9.0–1.10.0 are affected by CVE-2021-36213, where a single L7 application-aware deny action under a default-deny policy can cancel the intention and incorrectly allow L4 traffic. The issue is fixed in Consul/Consul Enterprise 1.9.8 and 1.10.1 (upst...

China's New Law Requires Vendors to Report Zero-Day Bugs to Government

The Cyberspace Administration of China CAC has issued new stricter vulnerability disclosure regulations that mandate software and networking vendors affected with critical flaws to mandatorily disclose them first-hand to the government authorities within two days of filing a report. The...