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Category — remote file inclusion
GhostCat: New High-Risk Vulnerability Affects Servers Running Apache Tomcat

GhostCat: New High-Risk Vulnerability Affects Servers Running Apache Tomcat

Feb 28, 2020
If your web server is running on Apache Tomcat, you should immediately install the latest available version of the server application to prevent hackers from taking unauthorized control over it. Yes, that's possible because all versions (9.x/8.x/7.x/6.x) of the Apache Tomcat released in the past 13 years have been found vulnerable to a new high-severity (CVSS 9.8) ' file read and inclusion bug '—which can be exploited in the default configuration. But it's more concerning because several proof-of-concept exploits ( 1 , 2 , 3 , 4  and more ) for this vulnerability have also been surfaced on the Internet, making it easy for anyone to hack into publicly accessible vulnerable web servers. Dubbed ' Ghostcat ' and tracked as CVE-2020-1938 , the flaw could let unauthenticated, remote attackers read the content of any file on a vulnerable web server and obtain sensitive configuration files or source code, or execute arbitrary code if the server allows file uploa...
Mayhem — A New Malware Targets Linux and FreeBSD Web Servers

Mayhem — A New Malware Targets Linux and FreeBSD Web Servers

Jul 25, 2014
Security researchers from Russian Internet giant Yandex have discovered a new piece of malware that is being used to target Linux and FreeBSD web servers in order to make them a part of the wide botnet, even without the need of any root privileges. Researchers dubbed the malware as Mayhem, a nasty malware modular that includes a number of payloads to cause malicious things and targets to infect only those machines which are not updated with security patches or less likely to run security software. So far, researchers have found over 1,400 Linux and FreeBSD servers around the world that have compromised by the malware , with potentially thousands more to come. Most of the compromised machines are located in the USA, Russia, Germany and Canada. Three security experts, Andrej Kovalev, Konstantin Ostrashkevich and Evgeny Sidorov , who work at Russia-based Internet portal Yandex, discovered the malware targeting *nix servers . They were able to trace transmissions from th...
Don't Overlook These 6 Critical Okta Security Configurations

Don't Overlook These 6 Critical Okta Security Configurations

Feb 10, 2025Identity Security / Data Protection
Given Okta's role as a critical part of identity infrastructure, strengthening Okta security is essential. This article covers six key Okta security settings that provide a strong starting point, along with recommendations for implementing continuous monitoring of your Okta security posture. With over 18,000 customers, Okta serves as the cornerstone of identity governance and security for organizations worldwide. However, this prominence has made it a prime target for cybercriminals who seek access to valuable corporate identities, applications, and sensitive data. Recently, Okta warned its customers of an increase in phishing social engineering attempts to impersonate Okta support personnel. Given Okta's role as a critical part of identity infrastructure, strengthening Okta security is essential. This article covers six key Okta security settings that provide a strong starting point, along with how continuous monitoring of your Okta security posture helps you avoid miscon...
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