İzmir Katip Çelebi University Security Vulnerabilities

U.S. Government Blacklists Cytrox and Intellexa Spyware Vendors for Cyber Espionage

The U.S. government on Tuesday added two foreign commercial spyware vendors, Cytrox and Intellexa, to an economic blocklist for weaponizing cyber exploits to gain unauthorized access to devices and "threatening the privacy and security of individuals and organizations worldwide." This includes the....

Ransomware review: July 2023

This article is based on research by Marcelo Rivero, Malwarebytes' ransomware specialist, who monitors information published by ransomware gangs on their Dark Web sites. In this report, "known attacks" are those where the victim did not pay a ransom. This provides the best overall picture of...

collectd - regression update

Emilien Gaspar discovered that collectd, a statistics collection and monitoring daemon, incorrectly processed incoming network packets. This resulted in a heap overflow, allowing a remote attacker to either cause a DoS via application crash, or potentially execute arbitrary code. Additionally,...

Gergana Karadzhova-Dangela wants to send the ladder back down to the next generation of incident responders

Gergana Karadzhova-Dangela is used to being with users during some of their toughest moments. Today, she spends much of her time responding to active cybersecurity incidents with Cisco Talos Incident Response, helping customers work through active attacks, many of which put personal data or...

How kids pay the price for ransomware attacks on education

Modern ransomware attacks are as much about stealing data and threatening to leak it as they are about encrypting data. Which means that when a school or hospital is attacked, it's often students' and patients' data that's leaked if the ransom demand isn't met. We have to wonder how greedy any...

​Mitsubishi Electric MELSEC-F Series (Update A)

EXECUTIVE SUMMARY ​CVSS v3 7.5 ​ATTENTION: Exploitable remotely/low attack complexity ​Vendor: Mitsubishi Electric ​Equipment: MELSEC-F Series ​Vulnerability: Authentication Bypass by Capture-replay 2. RISK EVALUATION ​Successful exploitation of this vulnerability could allow an attacker to...

Artemis - A Modular Web Reconnaissance Tool And Vulnerability Scanner

A modular web reconnaissance tool and vulnerability scanner based on Karton (https://github.com/CERT-Polska/karton). The Artemis project has been initiated by the KN Cyber science club of Warsaw University of Technology and is currently being maintained by CERT Polska. Artemis is experimental...

fastCMS Blogging 3.1.0 Cross Site Scripting

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bielefeld-university-press.de Cross Site Scripting vulnerability OBB-3229948

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently...

Researchers Uncover New Linux Kernel 'StackRot' Privilege Escalation Vulnerability

Details have emerged about a newly identified security flaw in the Linux kernel that could allow a user to gain elevated privileges on a target host. Dubbed StackRot (CVE-2023-3269, CVSS score: 7.8), the flaw impacts Linux versions 6.1 through 6.4. There is no evidence that the shortcoming has...

New technique can defeat voice authentication "after only six tries"

Voice authentication is back in the news with another tale of how easy it might be to compromise. University of Waterloo scientists have discovered a technique which they claim can bypass voice authentication with "up to a 99% success rate after only six tries". In fact this method is apparently...

JVN#64316789: Multiple vulnerabilities in SoftEther VPN and PacketiX VPN

SoftEther VPN provided by University of Tsukuba SoftEther VPN Project and PacketiX VPN provided by SoftEther Corporation contain multiple vulnerabilities listed below in VPN Client function, and Dynamic DNS Client function included in the VPN server. Heap-based buffer overflow (CWE-122) -...

PiiGAB M-Bus

EXECUTIVE SUMMARY CVSS v3 9.8 ATTENTION: Exploitable remotely/low attack complexity Vendor: PiiGAB, Processinformation i Göteborg Aktiebolag Equipment: M-Bus SoftwarePack 900S Vulnerabilities: Code Injection, Improper Restriction of Excessive Authentication Attempts, Unprotected Transport...

Ransomware attackers email bemused students as leverage for a payout

The University of Manchester has fallen victim to a ransomware gang, who are currently applying an interesting twist to their attack. Blackmail and pressure are two ways to extract funds from potential victims. We see this in sextortion cases, as well as in social engineering. Here, the fraudsters....

New video provides a behind-the-scenes look at Talos ransomware hunters

Welcome to this week's edition of the Threat Source newsletter. AI-generated art is causing drama across the internet over the past few months, from Marvel TV show opening credits scenes to predatory YouTubers who claim YOU can make millions by having AI tools create children's books for you....

Cybersecurity hotlines at colleges could go a long way toward filling the skills gap

Welcome to this week's edition of the Threat Source newsletter. I recently stumbled upon news that the University of Texas at Austin is launching a new cybersecurity clinic run by faculty and students studying security and IT at the university. This clinic offers pro-bono cybersecurity services --....

Researchers Find Way to Recover Cryptographic Keys by Analyzing LED Flickers

In what's an ingenious side-channel attack, a group of academics has found that it's possible to recover secret keys from a device by analyzing video footage of its power LED. "Cryptographic computations performed by the CPU change the power consumption of the device which affects the brightness...

Microsoft at NICE Conference: Resetting expectations and enabling diversity in the cybersecurity workforce

Closing the cybersecurity talent gap is not something we can achieve alone; it requires a collective effort from the entire industry and focus on enabling cybersecurity awareness and education for all. This realization hit home for us during our recent participation in the National Initiative for.....

Microsoft at NICE Conference: Resetting expectations and enabling diversity in the cybersecurity workforce

Closing the cybersecurity talent gap is not something we can achieve alone; it requires a collective effort from the entire industry and focus on enabling cybersecurity awareness and education for all. This realization hit home for us during our recent participation in the National Initiative for.....

Identifying the Idaho Killer

The New York Times has a long article on the investigative techniques used to identify the person who stabbed and killed four University of Idaho students. Pay attention to the techniques: The case has shown the degree to which law enforcement investigators have come to rely on the digital...

​Ovarro TBox RTUs

EXECUTIVE SUMMARY ​CVSS v3 7.2 ​ATTENTION: Exploitable remotely/low attack complexity ​Vendor: Ovarro ​Equipment: TBox RTUs ​Vulnerabilities: Missing Authorization, Use of Broken or Risky Cryptographic Algorithm, Inclusion of Functionality from Untrusted Control Sphere, Insufficient Entropy,...

Beyond Asset Discovery: How Attack Surface Management Prioritizes Vulnerability Remediation

As the business environment becomes increasingly connected, organizations' attack surfaces continue to expand, making it challenging to map and secure both known and unknown assets. In particular, unknown assets present security challenges related to shadow IT, misconfigurations, ineffective scan.....

Security and Human Behavior (SHB) 2023

I'm just back from the sixteenth Workshop on Security and Human Behavior, hosted by Alessandro Acquisti at Carnegie Mellon University in Pittsburgh. SHB is a small, annual, invitational workshop of people studying various aspects of the human side of security, organized each year by Alessandro...

ScarCruft Hackers Exploit Ably Service for Stealthy Wiretapping Attacks

The North Korean threat actor known as ScarCruft has been observed using an information-stealing malware with previously undocumented wiretapping features as well as a backdoor developed using Golang that exploits the Ably real-time messaging service. "The threat actor sent their commands through.....

Exploit for Out-of-bounds Write in Linux Linux Kernel

Project Name CVE-2021-22555 attack script Description...

Strava heatmap loophole may reveal users' home addresses

Researchers at NC State University have outlined potential privacy issues with popular fitness app Strava which could lead to users' homes being pinpointed. The researchers' findings are detailed in a paper called Heat marks the spot: de-anonymising users' geographical data on the Strava heat...

What You Need To Know About MOVEit

The MOVEit Vulnerabilities and Latest Exploits. Impact On Governmental Agencies And Large Organizations Governmental agencies and large organizations around the world are being hit by ransomware attacks exploiting several vulnerabilities in MOVEit, a widely used file transfer solution. The...

Snowden Ten Years Later

In 2013 and 2014, I wrote extensively about new revelations regarding NSA surveillance based on the documents provided by Edward Snowden. But I had a more personal involvement as well. I wrote the essay below in September 2013. The New Yorker agreed to publish it, but the Guardian asked me not to.....

Barracuda Urges Replacing — Not Patching — Its Email Security Gateways

It's not often that a zero-day vulnerability causes a network security vendor to urge customers to physically remove and decommission an entire line of affected hardware -- as opposed to just applying software updates. But experts say that is exactly what transpired this week with Barracuda...

Papaya Medical Viewer 1.0 Cross Site Scripting

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Why Now? The Rise of Attack Surface Management

The term "attack surface management" (ASM) went from unknown to ubiquitous in the cybersecurity space over the past few years. Gartner and Forrester have both highlighted the importance of ASM recently, multiple solution providers have emerged in the space, and investment and acquisition activity.....

CodeQL zero to hero part 2: getting started with CodeQL

CodeQL is a static analysis tool that can be used to automatically scan your applications for vulnerabilities and to assist with a manual code review. In this blog, we will look closer at CodeQL and how to write CodeQL queries. Below, we include voluntary challenges, but it is highly recommended...

Satacom delivers browser extension that steals cryptocurrency

Satacom downloader, also known as LegionLoader, is a renowned malware family that emerged in 2019. It is known to use the technique of querying DNS servers to obtain the base64-encoded URL in order to receive the next stage of another malware family currently distributed by Satacom. The Satacom...

How Attack Surface Management Supports Continuous Threat Exposure Management

According to Forrester, External Attack Surface Management (EASM) emerged as a market category in 2021 and gained popularity in 2022. In a different report, Gartner concluded that vulnerability management vendors are expanding their offerings to include Attack Surface Management (ASM) for a suite.....

Is it Getting Harder to Pigeonhole Games into Specific Genres?

By Owais Sultan Back in 2015, a study from Syracuse University analysed how grouping video games into genres can be limited.… This is a post from HackRead.com Read the original post: Is it Getting Harder to Pigeonhole Games into Specific...

N. Korean Lazarus Group Targets Microsoft IIS Servers to Deploy Espionage Malware

The infamous Lazarus Group actor has been targeting vulnerable versions of Microsoft Internet Information Services (IIS) servers as an initial breach route to deploy malware on targeted systems. The findings come from the AhnLab Security Emergency response Center (ASEC), which detailed the...

Re-Victimization from Police-Auctioned Cell Phones

Countless smartphones seized in arrests and searches by police forces across the United States are being auctioned online without first having the data on them erased, a practice that can lead to crime victims being re-victimized, a new study found. In response, the largest online marketplace for.....

About the security content of macOS Big Sur 11.7.7

About the security content of macOS Big Sur 11.7.7 This document describes the security content of macOS Big Sur 11.7.7. About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or...

About the security content of iOS 15.7.6 and iPadOS 15.7.6

About the security content of iOS 15.7.6 and iPadOS 15.7.6 This document describes the security content of iOS 15.7.6 and iPadOS 15.7.6. About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and...

Researcher Spotlight: Jacob Finn creates his own public-private partnership at Talos

After working in government for several years, this Talos threat hunter is diving into the dark web Growing up, Jacob Finn says he wanted to be a detective (or maybe a veterinarian, but there's still plenty of time for that). Today with Talos, he's a detective. And while he's still hunting for bad....

Feds Take Down 13 More DDoS-for-Hire Services

The U.S. Federal Bureau of Investigation (FBI) this week seized 13 domain names connected to "booter" services that let paying customers launch crippling distributed denial-of-service (DDoS) attacks. Ten of the domains are reincarnations of DDoS-for-hire services the FBI seized in December 2022,...

CISA Issues Advisory on Critical RCE Affecting ME RTU Remote Terminal Units

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday released an Industrial Control Systems (ICS) advisory about a critical flaw affecting ME RTU remote terminal units. The security vulnerability, tracked as CVE-2023-2131, has received the highest severity rating of 10.0 on.....

Oracle Linux 4 / 5 : exim (ELSA-2010-0970)

From Red Hat Security Advisory 2010:0970 : Updated exim packages that fix one security issue are now available for Red Hat Enterprise Linux 4 and 5, and Red Hat Enterprise Linux 4.7, 5.3, and 5.4 Extended Update Support. The Red Hat Security Response Team has rated this update as having critical...

CentOS 4 : exim (CESA-2010:0970)

Updated exim packages that fix one security issue are now available for Red Hat Enterprise Linux 4 and 5, and Red Hat Enterprise Linux 4.7, 5.3, and 5.4 Extended Update Support. The Red Hat Security Response Team has rated this update as having critical security impact. A Common Vulnerability...

RHEL 4 / 5 : exim (RHSA-2010:0970)

Updated exim packages that fix one security issue are now available for Red Hat Enterprise Linux 4 and 5, and Red Hat Enterprise Linux 4.7, 5.3, and 5.4 Extended Update Support. The Red Hat Security Response Team has rated this update as having critical security impact. A Common Vulnerability...

Foxit PDF Reader Doc Object Use-After-Free Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of...

FreeBSD : chromium -- multiple vulnerabilities (674ed047-be0a-11eb-b927-3065ec8fd3ec)

Chrome Releases reports : This release contains 32 security fixes, including : [1208721] High CVE-2021-30521: Heap buffer overflow in Autofill. Reported by ZhanJia Song on 2021-05-13 [1176218] High CVE-2021-30522: Use after free in WebAudio. Reported by Piotr Bania of Cisco Talos on...

Why you should practice rollbacks to prevent data loss in a ransomware attack

The security community is continuously changing, growing, and learning from each other to better position the world against cyberthreats. In the latest post of our Community Voices blog series, Microsoft Security__ Senior Product Marketing Manager Brooke Lynn Weenig talks with Tanya Janca, Founder....

Why you should practice rollbacks to prevent data loss in a ransomware attack

The security community is continuously changing, growing, and learning from each other to better position the world against cyberthreats. In the latest post of our Community Voices blog series, Microsoft Security__ Senior Product Marketing Manager Brooke Lynn Weenig talks with Tanya Janca, Founder....

Foxit PDF Reader AFSpecial_KeystrokeEx Use-After-Free Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the...