Cisco Releases Security Updates for Multiple Products

Cisco has released security updates to address vulnerabilities in multiple Cisco products. An attacker could exploit one of these vulnerabilities to take control of an affected system. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page. CISA encourages...

CVE-2021-1445

Multiple vulnerabilities in Cisco Adaptive Security Appliance ASA Software and Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. These vulnerabilities are due to lack of proper input validation o...

A week in security (April 19 – 25)

Last week on Malwarebytes Labs, we interviewed Youssef Sammouda, a 21-year-old bug bounty hunter who is focused on finding vulnerabilities on Facebook. We looked into the CodeCov supply-chain attack, the vulnerabilities in Pulse Secure VPN that are being actively exploited by attackers, and the...

Vulnerability fixed in OpenVPN

A vulnerability has been fixed in OpenVPN. A malicious party could exploit the vulnerability to bypass authentication on an OpenVPN server configured to use "deferred authentication." Also, the malicious party can gain access gain access to information about the VPN settings. See the page below f...

VPN Hacks Are a Slow-Motion Disaster

Recent spying attacks against Pulse Secure VPN are just the latest example of a long-simmering cybersecurity meltdown...

SUPERNOVA malware discovered on SolarWinds Orion server

The Cybersecurity and Infrastructure Security Agency CISA has reported finding the SUPERNOVA web shell collecting credentials on a SolarWinds Orion server. These observations were made during an incident response to an Advanced Persistent Threat APT actor’s year-long compromise of an enterprise...

How to choose the best VPN for you

If you’ve been shopping for a VPN service in 2021, you’ve probably noticed how many providers are available. Using a personal VPN has grown in popularity in recent years, and for good reason. You may no longer be asking, “Should I use one,” but rather, “Which one should I choose?” The answer migh...

Hackers Exploit VPN to Deploy SUPERNOVA malware on SolarWinds Orion

The U.S. Cybersecurity and Infrastructure Security Agency CISA has disclosed details of a new advanced persistent threat APT that's leveraging the Supernova backdoor to compromise SolarWinds Orion installations after gaining access to the network through a connection to a Pulse Secure VPN device...

Palo Alto GlobalProtect App Windows VPN kernel 5.1.x < 5.1.8 / 5.2.x < 5.2.4 DoS

The version of Palo Alto GlobalProtect Agent installed on the remote Windows host is 5.1.x prior to 5.1.8, or 5.2.x prior to 5.2.4. It is, therefore, affected by a denial-of-service DoS vulnerability. A denial-of-service DoS vulnerability in Palo Alto Networks GlobalProtect app on Windows systems...

Input validation

An improper check for unusual or exceptional conditions vulnerability in Juniper Networks MX Series platforms with Trio-based MPC Modular Port Concentrator deployed in Ethernet VPN EVPN-Virtual Extensible LAN VXLAN configuration, may allow an attacker sending specific Layer 2 traffic to cause...

CVE-2021-0261

CVE-2021-0261 affects Juniper Junos OS J-Web and related HTTP/HTTPS services, allowing an unauthenticated attacker to cause an extended DoS by sending a high volume of specific requests. Affected versions include multiple Junos OS releases across EX and SRX lines (e.g., 12.3 before 12.3R12-S17; 1...

It’s Easy to Become a Cyberattack Target, but a VPN Can Help

Even though data breaches top news headlines every other week, it’s still tempting to think that no one is interested in your data. But a hacker doesn’t need to target you in particular to get their hands on your most sensitive information. Let’s look at the cyber-threats out there and how a...

CVE-2020-27569

Arbitrary File Write exists in Aviatrix VPN Client 2.8.2 and earlier. The VPN service writes logs to a location that is world writable and can be leveraged to gain write access to any file on the system...

CVE-2020-27569

Arbitrary File Write exists in Aviatrix VPN Client 2.8.2 and earlier. The VPN service writes logs to a location that is world writable and can be leveraged to gain write access to any file on the system...

Design/Logic Flaw

Arbitrary File Write exists in Aviatrix VPN Client 2.8.2 and earlier. The VPN service writes logs to a location that is world writable and can be leveraged to gain write access to any file on the system...

CVE-2020-27569

Arbitrary File Write exists in Aviatrix VPN Client 2.8.2 and earlier. The VPN service writes logs to a location that is world writable and can be leveraged to gain write access to any file on the system...

CVE-2020-27569

The CVE-2020-27569 entry concerns Aviatrix VPN Client 2.8.2 and earlier, where the VPN service writes logs to a world-writable location, enabling arbitrary file write with potential to modify any file on the system. The connected OSV entries corroborate the same description; no exploitation detai...

CVE-2020-27569

Arbitrary File Write exists in Aviatrix VPN Client 2.8.2 and earlier. The VPN service writes logs to a location that is world writable and can be leveraged to gain write access to any file on the system...

Active Exploitation of Pulse Connect Secure Zero-Day (CVE-2021-22893)

On Tuesday, April 20, 2021, security firm FireEye published detailed analysis of multiple threat campaigns targeting Ivanti’s Pulse Connect Secure VPN. According to FireEye’s analysis, threat actors have been leveraging multiple techniques to bypass single- and multi-factor authentication on Puls...

Take action! Multiple Pulse Secure VPN vulnerabilities exploited in the wild

Pulse Secure has alerted customers to the existence of an exploitable chain of attack against its Pulse Connect Secure PCS appliances. PCS provides Virtual Private Network VPN facilities to businesses, which use them to prevent unauthorized access to their networks and services. Cybersecurity...