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Critical glibc Flaw Puts Linux Machines and Apps at Risk (Patch Immediately)

Critical glibc Flaw Puts Linux Machines and Apps at Risk (Patch Immediately)

Feb 17, 2016
A highly critical vulnerability has been uncovered in the GNU C Library (glibc) , a key component of most Linux distributions, that leaves nearly all Linux machines, thousands of apps and electronic devices vulnerable to hackers that can take full control over them. Just clicking on a link or connecting to a server can result in remote code execution (RCE), allowing hackers to steal credentials, spy on users, seize control of computers, and many more. The vulnerability is similar to the last year's  GHOST vulnerability (CVE-2015-0235) that left countless machines vulnerable to remote code execution (RCE) attacks , representing a major Internet threat. GNU C Library (glibc) is a collection of open source code that powers thousands of standalone apps and most Linux distributions, including those distributed to routers and other types of hardware. The recent flaw, which is indexed as CVE-2015-7547 , is a stack-based buffer overflow vulnerability in glibc's D
Knock v1.5 - Subdomain Scanner , allows to bypass wildcard

Knock v1.5 - Subdomain Scanner , allows to bypass wildcard

Aug 24, 2011
Knock v1.5  - Subdomain Scanner , allows to bypass wildcard Knock is a python script, written by Gianni 'guelfoweb' Amato, designed to enumerate subdomains on a target domain through a wordlist. This program is self contained, doesn't need to be installed in any particular location. All it needs is a recent version of Python 2.xOnly for use the Zone Transfer option (-zt) you must install the module dnspython, otherwise you can do without. If the name server allows zone transfers to occur, all the DNS names and IP addresses hosted by the name server will be returned in human-readable ASCII text. Usage $ python knock.py <option> <url> Rapid Scan Scanning with internal wordlist: $ python knock.py <url> Scanning with external wordlist: $ python knock.py <url> <wordlist> Options -zt Zone Transfer discovery: $ python knock.py -zt <url> -dns Dns resolver: $ python knock.py -dns <url> -wc Wildcard testing: $ python knock.py
GenAI: A New Headache for SaaS Security Teams

GenAI: A New Headache for SaaS Security Teams

Apr 17, 2024SaaS Security / AI Governance
The introduction of Open AI's ChatGPT was a defining moment for the software industry, touching off a GenAI race with its November 2022 release. SaaS vendors are now rushing to upgrade tools with enhanced productivity capabilities that are driven by generative AI. Among a wide range of uses, GenAI tools make it easier for developers to build software, assist sales teams in mundane email writing, help marketers produce unique content at low cost, and enable teams and creatives to brainstorm new ideas.  Recent significant GenAI product launches include Microsoft 365 Copilot, GitHub Copilot, and Salesforce Einstein GPT. Notably, these GenAI tools from leading SaaS providers are paid enhancements, a clear sign that no SaaS provider will want to miss out on cashing in on the GenAI transformation. Google will soon launch its SGE "Search Generative Experience" platform for premium AI-generated summaries rather than a list of websites.  At this pace, it's just a matter of a short time befo
Millions of WordPress sites exploitable for DDoS Attacks using Pingback mechanism

Millions of WordPress sites exploitable for DDoS Attacks using Pingback mechanism

May 01, 2013
Distributed Denial of Service attacks have increased in scale, intensity and frequency. The wide range of motives for these attacks political , criminal, or social makes every merchant or organization with an online presence a potential target. Over the weekend Incapsula mitigated a unique DDoS attack against a large gaming website, in which they have discovered a DDoS attack using thousands of legitimate WordPress blogs without the need for them to be compromised. Incapsula released the list of approximately 2,500 WordPress sites from where the attack was originated, including some very large sites like Trendmicro.com, Gizmodo.it and Zendesk.com . In a recent report , we posted about another method for DDoS attacks using DNS amplification , where a DNS request is made to an open DNS resolver with the source IP address forged so that it is the IP address of the targeted site to which the response is thus sent, but this new method uses HTTP rather than DNS. The
cyber security

Today's Top 4 Identity Threat Exposures: Where To Find Them and How To Stop Them

websiteSilverfortIdentity Protection / Attack Surface
Explore the first ever threat report 100% focused on the prevalence of identity security gaps you may not be aware of.
New Ripple20 Flaws Put Billions of Internet-Connected Devices at Risk of Hacking

New Ripple20 Flaws Put Billions of Internet-Connected Devices at Risk of Hacking

Jun 16, 2020
The Department of Homeland Security and CISA ICS-CERT today issued a critical security advisory warning about over a dozen newly discovered vulnerabilities affecting billions of Internet-connected devices manufactured by many vendors across the globe. Dubbed " Ripple20 ," the set of 19 vulnerabilities resides in a low-level TCP/IP software library developed by Treck, which, if weaponized, could let remote attackers gain complete control over targeted devices—without requiring any user interaction. According to Israeli cybersecurity company JSOF—who discovered these flaws—the affected devices are in use across various industries, ranging from home/consumer devices to medical, healthcare, data centers, enterprises, telecom, oil, gas, nuclear, transportation, and many others across critical infrastructure. "Just a few examples: data could be stolen off of a printer, an infusion pump behavior changed, or industrial control devices could be made to malfunction. An
ISC Releases Security Patches for New BIND DNS Software Vulnerabilities

ISC Releases Security Patches for New BIND DNS Software Vulnerabilities

Jan 28, 2023 Server Security / DNS
The Internet Systems Consortium (ISC) has released patches to address multiple security vulnerabilities in the Berkeley Internet Name Domain (BIND) 9 Domain Name System (DNS) software suite that could lead to a denial-of-service (DoS) condition. "A remote attacker could exploit these vulnerabilities to potentially cause denial-of-service conditions and system failures," the U.S. Cybersecurity and Infrastructure Security Agency (CISA)  said  in an advisory released Friday. The open source software is used by major financial firms, national and international carriers, internet service providers (ISPs), retailers, manufacturers, educational institutions, and government entities, according to its  website . All four flaws reside in  named , a  BIND9 service  that functions as an authoritative nameserver for a fixed set of DNS zones or as a recursive resolver for clients on a local network. The list of the bugs, which are rated 7.5 on the CVSS scoring system, is as follows -
New BIFROSE Linux Malware Variant Using Deceptive VMware Domain for Evasion

New BIFROSE Linux Malware Variant Using Deceptive VMware Domain for Evasion

Mar 01, 2024 Linux / Cyber Threat
Cybersecurity researchers have discovered a new Linux variant of a remote access trojan (RAT) called BIFROSE (aka Bifrost) that uses a deceptive domain mimicking VMware. "This latest version of Bifrost aims to bypass security measures and compromise targeted systems," Palo Alto Networks Unit 42 researchers Anmol Maurya and Siddharth Sharma  said . BIFROSE  is one of the long-standing threats that has been active since 2004. It has been offered for sale in underground forums for up to $10,000 in the past, according to a  report  from Trend Micro in December 2015. The malware has been put to use by a state-backed hacking group from China tracked as  BlackTech  (aka Circuit Panda, HUAPI, Manga Taurus, Palmerworm, PLEAD, Red Djinn, and Temp.Overboard), which has a history of striking organizations in Japan, Taiwan, and the U.S. It's suspected that the threat actor purchased the source code or gained access to it around 2010, and repurposed the malware for use in its own
Juniper Releases Patches for Critical Flaws in Junos OS and Contrail Networking

Juniper Releases Patches for Critical Flaws in Junos OS and Contrail Networking

Jul 18, 2022
Juniper Networks has pushed security updates to address  several vulnerabilities  affecting multiple products, some of which could be exploited to seize control of affected systems. The most critical of the flaws affect Junos Space and Contrail Networking, with the tech company urging customers to update to release versions 22.1R1 and 21.4.0, respectively. Chief among them is a collection of 31 bugs in the Junos Space network management software, including CVE-2021-23017 (CVSS score: 9.4) that could result in a crash of vulnerable devices or even achieve arbitrary code execution. "A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact," the company  said . The same security vulnerability has also been  remediated  in Northstar Controller in versions 5.1.0 Service Pack 6 and 6.2.2. Additionally, the
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