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Experts Detail A Recent Remotely Exploitable Windows Vulnerability

Experts Detail A Recent Remotely Exploitable Windows Vulnerability

January 23, 2021Ravie Lakshmanan
More details have emerged about a security feature bypass vulnerability in Windows NT LAN Manager ( NTLM ) that was addressed by Microsoft as part of its monthly  Patch Tuesday updates  earlier this month. The flaw, tracked as  CVE-2021-1678  (CVSS score 4.3), was described as a "remotely exploitable" flaw found in a vulnerable component bound to the network stack, although exact details of the flaw remained unknown. Now according to researchers from Crowdstrike, the security bug, if left unpatched, could allow a bad actor to achieve remote code execution via an NTLM relay. "This vulnerability allows an attacker to relay NTLM authentication sessions to an attacked machine, and use a printer spooler  MSRPC  interface to remotely execute code on the attacked machine," the researchers  said  in a Friday advisory. NTLM relay attacks are a kind of man-in-the-middle (MitM) attacks that typically permit attackers with access to a network to intercept legitimate authe
Beware! Fully-Functional Exploit Released Online for SAP Solution Manager Flaw

Beware! Fully-Functional Exploit Released Online for SAP Solution Manager Flaw

January 23, 2021Ravie Lakshmanan
Cybersecurity researchers have warned of a publicly available fully-functional exploit that could be used to target SAP enterprise software. The exploit leverages a vulnerability, tracked as  CVE-2020-6207 , that stems from a missing authentication check in SAP Solution Manager (SolMan) version 7.2 SAP  SolMan  is an application management and administration solution that offers end-to-end application lifecycle management in distributed environments, acting as a centralized hub for implementing and maintaining SAP systems such as ERP, CRM, HCM, SCM, BI, and others. "A successful exploitation could allow a remote unauthenticated attacker to execute highly privileged administrative tasks in the connected  SAP SMD Agents ," researchers from Onapsis  said , referring to the Solution Manager Diagnostics toolset used to analyze and monitor SAP systems. The vulnerability, which has the highest possible CVSS base score of 10.0, was addressed by SAP as part of its  March 2020  u
Exclusive: SonicWall Hacked Using 0-Day Bugs In Its Own VPN Product

Exclusive: SonicWall Hacked Using 0-Day Bugs In Its Own VPN Product

January 22, 2021Ravie Lakshmanan
SonicWall, a popular internet security provider of firewall and VPN products, on late Friday disclosed that it fell victim to a coordinated attack on its internal systems. The San Jose-based company said the attacks leveraged zero-day vulnerabilities in SonicWall secure remote access products such as NetExtender VPN client version 10.x and Secure Mobile Access ( SMA ) that are used to provide users with remote access to internal resources. "Recently, SonicWall identified a coordinated attack on its internal systems by highly sophisticated threat actors exploiting probable zero-day vulnerabilities on certain SonicWall secure remote access products," the company exclusively told The Hacker News. The development comes after The Hacker News received reports that SonicWall's internal systems went down earlier this week on Tuesday and that the source code hosted on the company's GitLab repository was accessed by the attackers. SonicWall wouldn't confirm the re
Sharing eBook With Your Kindle Could Have Let Hackers Hijack Your Account

Sharing eBook With Your Kindle Could Have Let Hackers Hijack Your Account

January 22, 2021Ravie Lakshmanan
Amazon has addressed a number of flaws in its Kindle e-reader platform that could have allowed an attacker to take control of victims' devices by simply sending them a malicious e-book. Dubbed " KindleDrip ," the exploit chain takes advantage of a feature called " Send to Kindle " to send a malware-laced document to a Kindle device that, when opened, could be leveraged to remotely execute arbitrary code on the device and make unauthorized purchases. "The code runs as root, and the attacker only needs to know the email address assigned to the victim's device,"  said  Yogev Bar-On, a security researcher for Readlmode Labs, in a technical write-up on Thursday. The first vulnerability lets a bad actor send an e-book to a Kindle, the second flaw allows for remote code execution while the e-book is parsed, and a third issue makes it possible to escalate privileges and run the code as the "root" user. When linked together, these weaknesses
Missing Link in a 'Zero Trust' Security Model—The Device You're Connecting With!

Missing Link in a 'Zero Trust' Security Model—The Device You're Connecting With!

January 22, 2021The Hacker News
Like it or not, 2020 was the year that proved that teams could work from literally anywhere. While terms like "flex work" and "WFH" were thrown around before COVID-19 came around, thanks to the pandemic, remote working has become the defacto way people work nowadays. Today, digital-based work interactions take the place of in-person ones with near-seamless fluidity, and the best part is that going remote helps companies save their cash in this bootstrapped time.  But while the ability to work from anywhere has truly been essential to keeping businesses and the economy functional, it has opened up new challenges that need to be addressed.  Your Devices Are Your Weakest Link With nearly ⅔ of employees still working remotely to some degree, the boundaries that once separated work and home have been completely washed away. A major ramification of this shift has been an increase in the volume of corporate and non-corporate devices connecting from remote to sensitive
MrbMiner Crypto-Mining Malware Links to Iranian Software Company

MrbMiner Crypto-Mining Malware Links to Iranian Software Company

January 21, 2021Ravie Lakshmanan
A relatively new crypto-mining malware that surfaced last year and infected thousands of Microsoft SQL Server (MSSQL) databases has now been linked to a small software development company based in Iran. The attribution was made possible due to an operational security oversight, said researchers from cybersecurity firm Sophos, that led to the company's name inadvertently making its way into the cryptominer code. First documented by Chinese tech giant Tencent last September,  MrbMiner  was found to target internet-facing MSSQL servers with the goal of installing a cryptominer, which hijacks the processing power of the systems to mine Monero and funnel them into accounts controlled by the attackers. The name "MrbMiner" comes after one of the domains used by the group to host their malicious mining software. "In many ways, MrbMiner's operations appear typical of most cryptominer attacks we've seen targeting internet-facing servers,"  said  Gabor Szappa
Here's How SolarWinds Hackers Stayed Undetected for Long Enough

Here's How SolarWinds Hackers Stayed Undetected for Long Enough

January 21, 2021Ravie Lakshmanan
Microsoft on Wednesday shared more specifics about the tactics, techniques, and procedures (TTPs) adopted by the attackers behind the SolarWinds hack to stay under the radar and avoid detection, as cybersecurity companies work towards getting a "clearer picture" of one of the most sophisticated attacks in recent history. Calling the threat actor "skillful and methodic operators who follow operations security (OpSec) best practices," the company said the attackers went out of their way to ensure that the initial backdoor ( Sunburst  aka Solorigate) and the post-compromise implants ( Teardrop  and  Raindrop ) are separated as much as possible so as to hinder efforts to spot their malicious activity. "The attackers behind Solorigate are skilled campaign operators who carefully planned and executed the attack, remaining elusive while maintaining persistence," researchers from Microsoft 365 Defender Research Team, Microsoft Threat Intelligence Center (MSTIC)
Importance of Application Security and Customer Data Protection to a Startup

Importance of Application Security and Customer Data Protection to a Startup

January 21, 2021The Hacker News
When you are a startup, there are umpteen things that demand your attention. You must give your hundred percent (probably even more!) to work effectively and efficiently with the limited resources. Understandably, the  application security importance  may be pushed at the bottom of your things-to-do list. One other reason to ignore web application protectioncould be your belief that only large enterprises are prone to data breaches, and your startup is hardly noticeable to become a target. Well, these eye-opening  statistics  prove otherwise. 43% of security attacks target small businesses New small businesses witnessed a 424% rise in security breaches in 2019 60% of small businesses close within six months of cyberattacks SMEs can lose more than $2.2 million a year to cyberattacks How Can Cyber Breaches Impact Your Startup? Unless you belong to the category of data security startups ,  which are thoroughly familiar with the importance of a secure web app, your startup can f
Hackers Accidentally Expose Passwords Stolen From Businesses On the Internet

Hackers Accidentally Expose Passwords Stolen From Businesses On the Internet

January 21, 2021Ravie Lakshmanan
A new large-scale phishing campaign targeting global organizations has been found to bypass Microsoft Office 365 Advanced Threat Protection (ATP) and steal credentials belonging to over a thousand corporate employees. The cyber offensive is said to have originated in August last year, with the attacks aimed specifically at energy and construction companies, said researchers from Check Point Research today in a joint analysis in partnership with industrial cybersecurity firm Otorio. Although phishing campaigns engineered for credential theft are among the most prevalent reasons for data breaches, what makes this operation stand out is an operational security failure that led to the attackers unintentionally exposing the credentials they had stolen to the public Internet. "With a simple Google search, anyone could have found the password to one of the compromised, stolen email addresses: a gift to every opportunistic attacker," the researchers said . The attack chain comm
Google Details Patched Bugs in Signal, FB Messenger, JioChat Apps

Google Details Patched Bugs in Signal, FB Messenger, JioChat Apps

January 20, 2021Ravie Lakshmanan
In January 2019, a  critical flaw  was reported in Apple's FaceTime group chats feature that made it possible for users to initiate a FaceTime video call and eavesdrop on targets by adding their own number as a third person in a group chat even before the person on the other end accepted the incoming call. The vulnerability was deemed so severe that the iPhone maker removed the FaceTime group chats feature altogether before the issue was resolved in a subsequent iOS update. Since then, a number of similar shortcomings have been discovered in multiple video chat apps such as Signal, JioChat, Mocha, Google Duo, and Facebook Messenger — all thanks to the work of Google Project Zero researcher Natalie Silvanovich. "While [the Group FaceTime] bug was soon fixed, the fact that such a serious and easy to reach vulnerability had occurred due to a logic bug in a calling state machine — an attack scenario I had never seen considered on any platform — made me wonder whether other sta
SolarWinds Hackers Also Breached Malwarebytes Cybersecurity Firm

SolarWinds Hackers Also Breached Malwarebytes Cybersecurity Firm

January 19, 2021Ravie Lakshmanan
Malwarebytes on Tuesday said it was breached by the same group who broke into SolarWinds to access some of its internal emails, making it the fourth major cybersecurity vendor to be targeted after  FireEye ,  Microsoft , and  CrowdStrike . The company said its intrusion was not the result of a SolarWinds compromise, but rather due to a separate initial access vector that works by "abusing applications with privileged access to Microsoft Office 365 and Azure environments." The discovery was made after Microsoft notified Malwarebytes of suspicious activity from a dormant email protection app within its  Office 365 tenant  on December 15, following which it performed a detailed investigation into the incident. "While Malwarebytes does not use SolarWinds, we, like many other companies were recently targeted by the same threat actor," the company's CEO Marcin Kleczynski  said  in a post. "We found no evidence of unauthorized access or compromise in any of o
Researchers Discover Raindrop — 4th Malware Linked to the SolarWinds Attack

Researchers Discover Raindrop — 4th Malware Linked to the SolarWinds Attack

January 19, 2021Ravie Lakshmanan
Cybersecurity researchers have unearthed a fourth new malware strain—designed to spread the malware onto other computers in victims' networks—which was deployed as part of the  SolarWinds supply chain attack  disclosed late last year. Dubbed "Raindrop" by Broadcom-owned Symantec, the malware joins the likes of other malicious implants such as  Sunspot , Sunburst (or Solorigate), and Teardrop that were stealthily delivered to enterprise networks. The latest finding comes amid a continued probe into the breach, suspected to be of  Russian origin , that has claimed a number of U.S. government agencies and private sector companies. "The discovery of Raindrop is a significant step in our investigation of the SolarWinds attacks as it provides further insights into post-compromise activity at organizations of interest to the attackers," Symantec researchers  said . The cybersecurity firm said it discovered only four samples of Raindrop to date that were used to d
A Set of Severe Flaws Affect Popular DNSMasq DNS Forwarder

A Set of Severe Flaws Affect Popular DNSMasq DNS Forwarder

January 19, 2021Ravie Lakshmanan
Cybersecurity researchers have uncovered multiple vulnerabilities in Dnsmasq, a popular open-source software used for caching Domain Name System (DNS) responses, thereby potentially allowing an adversary to mount DNS  cache poisoning attacks  and remotely execute malicious code. The seven flaws, collectively called " DNSpooq " by Israeli research firm JSOF, echoes previously disclosed weaknesses in the DNS architecture, making Dnsmasq servers powerless against a range of attacks. "We found that Dnsmasq is vulnerable to DNS cache poisoning attack by an off-path attacker (i.e., an attacker that does not observe the communication between the DNS forwarder and the DNS server)," the researchers noted in a report published today. "Our attack allows for poisoning of multiple domain names at once, and is a result of several vulnerabilities found. The attack can be completed successfully under seconds or few minutes, and have no special requirements. We also found
New Educational Video Series for CISOs with Small Security Teams

New Educational Video Series for CISOs with Small Security Teams

January 19, 2021The Hacker News
Cybersecurity is hard. For a CISO that faces the cyber threat landscape with a small security team, the challenge is compounded. Compared to CISOs at large enterprises, CISOs small to medium-sized enterprises (SMEs) have smaller teams with less expertise, smaller budgets for technology and outside services, and are more involved in day-to-day protection activities. CISOs at SMEs are increasingly relying on virtual CISOs (vCISOs) to provide security expertise and guidance. vCISOs are typically former CISOs with years of experience building and managing information security programs across large and small organizations. Helpful Advice for CISOs with Small Security Teams Brian Haugli, a well-known vCISO in the US, recently collaborated with cybersecurity company  Cynet —which provides autonomous XDR platforms tailored to small security teams—to provide a series of educational videos for CISOs with small security teams with relevant information about their challenges and possible solu
FreakOut! Ongoing Botnet Attack Exploiting Recent Linux Vulnerabilities

FreakOut! Ongoing Botnet Attack Exploiting Recent Linux Vulnerabilities

January 19, 2021Ravie Lakshmanan
An ongoing malware campaign has been found exploiting recently disclosed vulnerabilities in network-attached storage (NAS) devices running on Linux systems to co-opt the machines into an  IRC botnet  for launching distributed denial-of-service (DDoS) attacks and mining Monero cryptocurrency. The attacks deploy a new  malware variant called " FreakOut " by leveraging critical flaws fixed in Laminas Project (formerly Zend Framework) and Liferay Portal as well as an unpatched security weakness in TerraMaster, according to Check Point Research's new analysis published today and shared with The Hacker News. Attributing the malware to be the work of a long-time cybercrime hacker — who goes by the aliases Fl0urite and Freak on HackForums and Pastebin at least since 2015 — the researchers said the flaws —  CVE-2020-28188 ,  CVE-2021-3007 , and  CVE-2020-7961  — were weaponized to inject and execute malicious commands in the server. Regardless of the vulnerabilities exploit
Apple Removes macOS Feature That Allowed Apps to Bypass Firewall Security

Apple Removes macOS Feature That Allowed Apps to Bypass Firewall Security

January 17, 2021Ravie Lakshmanan
Apple has removed a controversial feature from its macOS operating system that allowed the company's own first-party apps to bypass content filters, VPNs, and third-party firewalls. Called " ContentFilterExclusionList ," it included a list of as many as 50 Apple apps like iCloud, Maps, Music, FaceTime, HomeKit, the App Store, and its software update service that were routed through Network Extension Framework, effectively circumventing firewall protections. This exclusion list has been scrubbed now from macOS 11.2 beta 2. The issue first came to light last October following the release of macOS Big Sur, prompting concerns from security researchers who said the feature was ripe for abuse, adding it could be leveraged by an attacker to exfiltrate sensitive data by piggybacking it on to legitimate Apple apps included on the list and then bypass firewalls and security software. "After lots of bad press and lots of feedback/bug reports to Apple from developers such
WhatsApp Delays Controversial 'Data-Sharing' Privacy Policy Update By 3 Months

WhatsApp Delays Controversial 'Data-Sharing' Privacy Policy Update By 3 Months

January 16, 2021Ravie Lakshmanan
WhatsApp said on Friday that it wouldn't enforce its recently announced  controversial data sharing policy  update until May 15. Originally set to go into effect next month on February 8, the three-month delay comes following "a lot of misinformation" about a revision to its privacy policy that allows WhatsApp to share data with Facebook, sparking widespread concerns about the exact kind of information that will be shared under the incoming terms. The Facebook-owned company has since repeatedly clarified that the update does not expand its ability to share personal user chats or other profile information with Facebook and is instead simply providing further transparency about how user data is collected and shared when using the messaging app to interact with businesses. "The update includes new options people will have to message a business on WhatsApp, and provides further transparency about how we collect and use data," WhatsApp  said  in a post. "W
NSA Suggests Enterprises Use 'Designated' DNS-over-HTTPS' Resolvers

NSA Suggests Enterprises Use 'Designated' DNS-over-HTTPS' Resolvers

January 15, 2021Ravie Lakshmanan
The U.S. National Security Agency (NSA) on Friday said DNS over HTTPS (DoH) — if configured appropriately in enterprise environments — can help prevent "numerous" initial access, command-and-control, and exfiltration techniques used by threat actors. "DNS over Hypertext Transfer Protocol over Transport Layer Security (HTTPS), often referred to as DNS over HTTPS (DoH), encrypts DNS requests by using HTTPS to provide privacy, integrity, and 'last mile' source authentication with a client's DNS resolver," according to the NSA's  new guidance . Proposed in 2018,  DoH  is a protocol for performing remote Domain Name System resolution via the HTTPS protocol. One of the major shortcomings with current DNS lookups is that even when someone visits a site that uses HTTPS, the DNS query and its response is sent over an unencrypted connection, thus allowing third-party eavesdropping on the network to track every website a user is visiting. Even worse, the
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