Drupal Releases Security Updates

Drupal has released security updates to address vulnerabilities affecting Drupal 7, 8.7, and 8.8. A remote attacker could exploit one of these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to...

CISA-FBI Joint Announcement on PRC Targeting of COVID-19 Research Organizations

The Cybersecurity and Infrastructure Security Agency CISA and the Federal Bureau of Investigation FBI have jointly released a Public Service Announcement on the People’s Republic of China’s targeting of COVID-19 research organizations. CISA and FBI encourage COVID-19 research organizations to...

Cisco Releases Security Updates for IOS XE SD-WAN Solution Software

Cisco has released security updates to address a vulnerability in IOS XE SD-WAN Solution software. An attacker could exploit this vulnerability to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and administrators to review the Cisco...

Secure New Internet-Connected Devices

During the holidays, internet-connected devices—also known as Internet of Things IoT devices—are popular gifts. These include smart cameras, smart TVs, watches, toys, phones, and tablets. Although this technology provides added convenience to our lives, it often requires that we share personal an...

CISA Launches “Cyber Essentials” for Small Businesses and Small SLTT Governments

The Cybersecurity and Infrastructure Security Agency CISA has launched Cyber Essentials, an effort to assist small organizations in understanding and addressing cybersecurity risks. Developed in partnership with small businesses and small state, local, tribal, and territorial SLTT governments,...

NSA Releases Advisory on Mitigating Recent VPN Vulnerabilities

The National Security Agency NSA has released an advisory on advanced persistent threat APT actors exploiting multiple vulnerabilities in Virtual Private Network VPN applications. A remote attacker could exploit these vulnerabilities to take control of an affected system. The Cybersecurity and...

September is National Preparedness Month: Be Prepared, Not Scared

National Preparedness Month NPM promotes family and community disaster and emergency planning. This year’s theme is “Prepared, Not Scared.” Although most people understand that being prepared is essential to getting through an emergency such as a natural disaster, there is less awareness about th...

El Paso and Dayton Tragedy-Related Scams and Malware Campaigns

In the wake of the recent shootings in El Paso, TX, and Dayton, OH, the Cybersecurity and Infrastructure Security Agency CISA advises users to watch out for possible malicious cyber activity seeking to capitalize on these tragic events. Users should exercise caution in handling emails related to...

5G Wireless Network Risk Factors

The Cybersecurity and Infrastructure Security Agency CISA has released an infographic on 5G wireless network risk factors. Although 5G technology will bring capacity, reliability, and security improvements, it may also introduce supply chain, deployment, network security, and competition and choi...

Multiple Vulnerabilities in WPA3 Protocol

The CERT Coordination Center CERT/CC has released information on vulnerabilities—referred to as Dragonblood—in WPA3 protocol. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages...

Mozilla Releases Security Updates for Firefox

Mozilla has released security updates to address vulnerabilities in Firefox and Firefox ESR. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. The National Cybersecurity and Communications Integration Center NCCIC, part of the Cybersecurity and...

NCCIC Releases Analysis Report on JexBoss

NCCIC has released Analysis Report AR AR18-312A: JexBoss - JBoss Verify and EXploitation Tool. Cyber threat actors use JexBoss to remotely access victims' systems. The report provides information on JexBoss' capabilities, as well as suggestions for detection and mitigation. NCCIC encourages users...

Intel Side-Channel L1TF Vulnerability

Intel has released recommendations to address a side-channel vulnerability called L1 Terminal Fault L1TF that affects multiple Intel microprocessors. An attacker could exploit this vulnerability to obtain sensitive information. NCCIC encourages users and administrators to review Intel's Security...

Easter Holiday Phishing Scams and Malware Campaigns

As the Easter holiday approaches, NCCIC/US-CERT reminds users to be aware of potential holiday scams and cyber campaigns, which may include emails and ecards from unknown senders that may contain malicious links, fake advertisements or shipping notifications with attachments infected with malware...

Transport Layer Security (TLS) Vulnerability

CERT Coordination Center CERT/CC has released information on a Transport Layer Security TLS vulnerability. Exploitation of this vulnerability could allow an attacker to access sensitive information. The TLS vulnerability is also known as Return of Bleichenbacher's Oracle Threat ROBOT. ROBOT allow...

Google Releases Security Update for Chrome

Google has released Chrome version 63.0.3239.84 for Windows, Mac, and Linux. This version addresses vulnerabilities that an attacker could exploit to take control of an affected system. US-CERT encourages users and administrators to review the Chrome Releases page and apply the necessary update...

Tragic-Event-Related Scams

In the wake of Sunday's tragic event in Las Vegas, US-CERT warns users to be watchful for various malicious cyber activity targeting both victims and potential donors. Users should exercise caution when handling emails that relate to the event, even if those emails appear to originate from truste...

Multiple Petya Ransomware Infections Reported

US-CERT has received multiple reports of Petya ransomware infections in many countries around the world. Ransomware is a type of malicious software that infects a computer and restricts users' access to the infected machine until a ransom is paid to unlock it. Individuals and organizations are...

ISC Releases Security Updates for BIND

The Internet Systems Consortium ISC has released updates that address several vulnerabilities in BIND. An attacker could exploit one of these vulnerabilities to take control of an affected system. Available updates include: BIND version 9.11.1-P1 BIND version 9.10.5-P1 BIND version 9.9.10-P1 ISC...

Adobe Releases Security Updates

Adobe has released security updates to address vulnerabilities in Adobe Flash Player, Shockwave Player, Captivate, and Digital Editions. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. US-CERT encourages users and administrators to review Adobe...

Microsoft Releases September 2016 Security Bulletin

Microsoft has released 14 updates to address vulnerabilities in Microsoft software. Exploitation of some of these vulnerabilities could allow a remote attacker to take control of an affected system. US-CERT encourages users and administrators to review the following Microsoft Security Bulletins...

Cisco Releases Security Updates

Cisco has released security updates to address vulnerabilities in multiple products. Exploitation of these vulnerabilities could allow a remote attacker to cause a denial-of-service condition on an affected system. US-CERT encourages users and administrators to review the following Cisco Security...

Apple Releases Multiple Security Updates

Apple has released security updates for iOS, watchOS, tvOS, Xcode, OS X El Capitan, OS X Server 5.1, and Safari to address multiple vulnerabilities. Exploitation of some of these vulnerabilities may allow a remote attacker to take control of an affected system. Available updates include: iOS 9.3...

SSLv2 DROWN Attack

Network traffic encrypted using an RSA-based SSL certificate may be decrypted if enough SSLv2 handshake data can be collected. Exploitation of this vulnerability—referred to as DROWN in public reporting—may allow a remote attacker to decrypt individual messages from a server supporting SSLv2...

OpenSSL Releases Security Advisory

OpenSSL versions 1.0.2f and 1.0.1r have been released to address vulnerabilities in prior versions. Exploitation of these vulnerabilities may allow a remote attacker to obtain sensitive information. US-CERT encourages users and administrators to review the OpenSSL Security Advisory and apply the...

Apple Releases Multiple Security Updates

Apple has released security updates for iOS, tvOS, OS X, watchOS, Safari, and Xcode to address multiple vulnerabilities, one of which could allow a remote attacker to take control of an affected system. Updates available include: iOS 9.2 for iPhone 4s and later, iPod touch 5th generation and late...

Mozilla Releases Security Updates for Firefox

The Mozilla Foundation has released security updates to address critical vulnerabilities in Firefox and Firefox ESR. Exploitation of some of these vulnerabilities may allow a remote attacker to take control of an affected system. Available updates include: Firefox 41 Firefox ESR 38.3 US-CERT...

Google Releases Security Update for Chrome

Google has released Chrome version 45.0.2454.85 to address multiple vulnerabilities for Windows, Mac, and Linux. Exploitation of one of these vulnerabilities may allow an attacker to take control of an affected system. US-CERT encourages users and administrators to review the Chrome Releases page...

IC3 Issues Alert on Gift Card Scams

The Internet Crime Complaint Center IC3 has released an alert warning consumers of fraud around the resale of gift cards. The secondary gift card market has grown in recent years, and criminal activity has been identified on sites facilitating such exchanges. When purchasing gift cards, look for...

Cisco Releases Semiannual IOS Software Security Advisory Bundled Publication

Cisco has released its semiannual Cisco IOS Software Security Advisory Bundled Publication. This publication includes seven Security Advisories that address vulnerabilities in Cisco IOS Software. Exploits of these vulnerabilities could result in a denial of service DoS condition, interface queue...

"Misfortune Cookie" Broadband Router Vulnerability

Broadband routers employing the Allegro RomPager firmware prior to versions 4.34 contain a vulnerability in HTTP cookie processing code. Exploitation of this vulnerability could allow a remote attacker to take control of an affected device. Users and administrators are encouraged to review...

Certain TLS Implementations Vulnerable to POODLE Attacks

A new variant of the POODLE attack may affect some TLS implementations on account of an issue similar to one present in SSL 3.0. Successful exploitation may enable actors to derive plaintext from encrypted communications. US-CERT encourages users and administrators to review TA14-290A for...

Apple Releases Security Updates for iOS and Apple TV

Apple has released security updates for iOS devices and Apple TV to address multiple vulnerabilities, one of which could allow an attacker to decrypt data protected by SSL. Updates available include: iOS 8.1 for iPhone 4s and later, iPod touch 5th generation and later, and iPad 2 and later Apple ...

OpenSSL Releases Security Advisory

OpenSSL has released updates patching 6 vulnerabilities, which may allow an attacker to decrypt or modify traffic between a vulnerable client and server, cause a denial of service condition, or remotely execute arbitrary code. The following updates are available: OpenSSL 0.9.8 SSL/TLS users shoul...

Mozilla Releases Security Updates for Firefox, Thunderbird, and Seamonkey

The Mozilla Foundation has released security updates to address multiple vulnerabilities in Firefox, Thunderbird, and Seamonkey. Exploitation of these vulnerabilities may allow an attacker to obtain sensitive information, cause a denial-of-service condition, execute arbitrary code, conduct phishi...

OpenSSL 'Heartbleed' Vulnerability

A vulnerability in OpenSSL could allow a remote attacker to expose sensitive data, possibly including user authentication credentials and secret keys, through incorrect memory handling in the TLS heartbeat extension. This may allow an attacker to decrypt traffic or perform other attacks. OpenSSL...

Mozilla Releases Updates for Firefox, Thunderbird, and Seamonkey

The Mozilla Foundation has released security updates to address multiple vulnerabilities in Firefox, Thunderbird, and Seamonkey. Exploitation of these vulnerabilities may allow an attacker to obtain sensitive information, cause a denial-of-service condition, execute arbitrary code, or operate wit...

Google Releases Google Chrome 31.0.1650.57

Google has released Google Chrome 31.0.1650.57 for Windows, Mac, Linux and Chrome Frame to address a vulnerability. This vulnerability could allow a remote attacker to execute arbitrary code or cause a denial-of-service condition. US-CERT encourages users and administrators to review the Google...

Microsoft Addresses New Watering Hole Attack in the November, 2013 Security Bulletin Release

Microsoft has released updates to address vulnerabilities in Microsoft Windows, Internet Explorer and Office as part of the Microsoft Security Bulletin Summary for November, 2013. These vulnerabilities could allow remote code execution, elevation of privilege, information disclosure or denial of...

Apple Releases OS X Mavericks v10.9

Apple has released OS X Mavericks v10.9 to address multiple vulnerabilities. These vulnerabilities could allow a remote attacker to bypass security restrictions, cause a denial-of-service condition, or execute arbitrary code. US-CERT encourages users and administrators to review Apple Support...

Reports of D-Link Router Backdoor

US-CERT is aware of reports that the firmware for various D-Link routers contains a backdoor that allows unauthenticated remote users to bypass the routers' password authentication mechanism. An unauthenticated remote attacker can take any action as an administrator using the remote management we...

Google Releases Google Chrome 19.0.1084.52

Google has released Google Chrome 19.0.1084.52 for Linux, Mac, Windows, and Chrome Frame to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code or cause a denial-of-service condition. US-CERT encourages users and administrators to review the...

Google Releases Chrome 17.0.963.65

Google has released Chrome 17.0.963.65 for Linux, Macintosh, Windows, and Google Chrome Frame to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code or cause a denial-of-service condition. US-CERT encourages users and administrators to review th...

DNSChanger Malware

UPDATE: On March 5, 2012, a federal judge agreed to allow more time for organizations and individuals to clean systems of the DNSChanger malware and extended the deadline for shutting off servers that had been keeping infected computers connected to the internet. Although the new deadline is July...

Adobe Releases Security Advisory for Adobe Flash Player

Adobe has released a security advisory to alert users of vulnerabilities affecting the following software: Adobe Flash Player 11.1.102.55 and earlier versions for Windows, Macintosh, Linux, and Solaris operating systems Adobe Flash Player 11.1.112.61 and earlier versions for Android 4.x Adobe Fla...

Adobe Releases Security Bulletin for Adobe Shockwave Player

Adobe has released a security update for Adobe Shockwave Player to address multiple vulnerabilities. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code. These vulnerabilities affect Shockwave Player 11.6.1.629 and earlier versions for the Windows and Macintosh...

SSL/TLS Protocol Vulnerability

US-CERT is aware of a vulnerability affecting the Secure Socket Layer SSL and Transport Layer Security TLS protocols. Exploitation of this vulnerability may allow an attacker to decrypt encrypted SSL/TLS traffic and obtain sensitive information. Microsoft has released Security Advisory 2588513 to...

Apple Releases iOS 4.3.5 and iOS 4.2.10

Apple has released iOS 4.3.5 for the iPhone GSM model, iPod touch, and iPad, and iOS 4.2.10 for the iPhone CDMA model to address a vulnerability. This vulnerability may allow an attacker with a privileged network position to capture or modify data in SSL/TLS sessions. US-CERT encourages users and...

VideoLAN Releases VLC Media Player 1.1.10

VideoLAN has released VLC Media Player 1.1.10 to address an integer overflow vulnerability in the xspf demuxer. Exploitation of this vulnerability may allow an attacker to execute arbitrary code. US-CERT encourages users and administrators to review the release notes for VLC Media Player 1.1.10 a...

Mississippi Flooding Disaster Email Scams, Fake Antivirus, and Phishing Attack Warning

Users should be aware of potential email scams, fake antivirus, and phishing attacks regarding the Mississippi flooding disaster. Email scams may contain links or attachments that may direct users to phishing or malicious websites. Fake antivirus attacks may come in the form of pop-ups that flash...