Apple Releases Security Updates for OS X, iOS devices, and Apple TV

Apple has released security updates for Mac OS X, iOS devices, and Apple TV to address multiple vulnerabilities, some of which could allow an attacker to execute arbitrary code, cause application termination, or expose users to covert eavesdropping. Updates available include: Security Update...

Security Updates Released for iOS devices and Apple TV

Apple has released security updates for iOS and Apple TV devices to address multiple vulnerabilities, some of which may lead to unexpected system termination or arbitrary code execution. Updates available include: iOS 7.1 for iPhone 4 and later, iPod touch 5th generation and later, or iPad 2 and...

Apple Releases Safari 6.1.2 and Safari 7.0.2

Apple has released Safari 6.1.2 and 7.0.2 for OS X to address multiple vulnerabilities in WebKit. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. US-CERT encourages users and administrators to review Apple Support Article HT614...

Cisco Releases Security Advisory for Prime Infrastructure Command Execution Vulnerability

Cisco has released a security advisory to address a vulnerability in Cisco Prime Infrastructure software versions 1.2, 1.3, 1.4, and 2.0 which could allow an unauthenticated, remote attacker to execute arbitrary commands with root-level privileges. US-CERT encourages users and administrators to...

Security Updates Available for Adobe Flash Player

Adobe has released security updates to address a vulnerability in Adobe Flash Player 12.0.0.43 and earlier versions for Windows and Macintosh and Adobe Flash Player 11.2.202.335 and earlier versions for Linux. Exploitation of this vulnerability could allow an attacker to take control of an affect...

BlackBerry Releases Security Advisory

BlackBerry has released a security advisory that addresses Adobe® Flash® remote code execution vulnerabilities that affect BlackBerry® Z10, BlackBerry® Q10 smartphone and BlackBerry® PlayBook™ tablet customers. These vulnerabilities could potentially allow an attacker to execute code with the...

Network Time Protocol (NTP) Amplification Attacks

A vulnerability in the "monlist" feature of ntpd can allow remote attackers to cause distributed denial of service attack DDoS via forged requests. US-CERT and the Canadian Cyber Incident Response Center CCIRC have both observed active use of this attack vector in recent DDoS attacks. US-CERT...

UK CPNI Releases Spear Phishing Paper

The United Kingdom's Centre for the Protection of National Infrastructure CPNI has recently released a paper titled "Spear Phishing - Understanding the Threat;" this document provides guidance on how spear phishing attacks work, whether you are likely to be a target, and the steps organizations c...

Apple Releases Security Updates for Safari

Apple has released security updates for Safari 6.1.1 and Safari 7.0.1 to address multiple vulnerabilities. These vulnerabilities could allow a remote attacker to obtain sensitive information, execute arbitrary code or cause a denial-of-service condition. Safari 6.1.1 and Safari 7.0.1 updates are...

Cisco Releases Security Advisory

Cisco has released a security advisory to address multiple vulnerabilities in Cisco IOS XE Software for 1000 Series Aggregation Services Routers ASR. These vulnerabilities, which are independent of each other, could allow an unauthenticated remote attacker to cause a denial-of-service condition...

Adobe Customer Information and Source Code Compromises

US-CERT is aware of the public acknowledgement of a compromise of up to 3 million Adobe customers' information, including names and detailed account information. The source code for multiple Adobe products may also have been compromised. US-CERT advises that Adobe customers be aware of possible...

Cisco Releases Semiannual IOS Software Security Advisory Bundled Publication

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

Apple Releases Security Update for OS X Server

Apple has released a security update for OS X Server v2.2.2 for OS X Mountain Lion v10.8 or later to address multiple vulnerabilities. These vulnerabilities may allow a remote attacker to cause a denial of service, execute arbitrary code or cause a cross-site scripting attack. US-CERT encourages...

Microsoft Releases September 2013 Security Bulletin

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

Microsoft Releases Security Advisory

Microsoft has released Security Advisory 2862973 impacting applications and services using certificates with the MD5 hashing algorithm. Usage of the MD5 hash algorithm in certificates could allow an attacker to spoof content, perform phishing attacks, or perform man-in-the-middle attacks. US-CERT...

Recent Reports of DHS-Themed Ransomware (UPDATE)

US-CERT has received reports of increased activity concerning an apparently DHS-themed ransomware malware infection occurring in the wild. Users who are being targeted by the ransomware receive a message claiming that use of their computer has been suspended and that the user must pay a fine to...

Cisco Releases Security Advisories

Cisco has released four security advisories to address multiple vulnerabilities. These vulnerabilities may allow a remote attacker to execute arbitrary code on a vulnerable system or cause a denial-of-service condition. US-CERT encourages users and administrators to review the following Cisco...

Security Updates Available for Adobe Flash Player

Adobe has released security updates for Adobe Flash Player. These updates address vulnerabilities that could cause a crash and potentially allow an attacker to take control of the affected system. Security updates are available for the following versions of Adobe Flash Player: Adobe Flash Player...

Microsoft Releases May 2013 Security Bulletin

Microsoft has released updates to address vulnerabilities in Microsoft Windows, Internet Explorer, .NET Framework, Lync, Office, and Windows Essentials as part of the Microsoft Security Bulletin Summary for May 2013. These vulnerabilities could allow remote code execution, denial of service,...

Microsoft Releases April 2013 Security Bulletin

Microsoft has released updates to address vulnerabilities in Microsoft Windows, Office, Internet Explorer, Server Software, and Security Software as part of the Microsoft Security Bulletin summary for April 2013. These vulnerabilities could allow remote code execution, elevation of privilege,...

Apple Releases Security Update for Java on OS X

Apple has released a security update for Java on OS X Lion v10.7 or later, OS X Lion Server v10.7 or later, OS X Mountain Lion 10.8 or later, Mac OS X v10.6.8, and Mac OS X Server v10.6.8 to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code...

Google Releases Google Chrome 25.0.1364.87

Google has released Google Chrome 25.0.1364.87 to address multiple vulnerabilities. These vulnerabilities may allow an attacker to cause a denial-of-service condition or bypass security features. US-CERT encourages users and administrators to review the Google Chrome Release blog entry and update...

Microsoft Releases Advance Notification for February Security Bulletin

Microsoft has issued a Security Bulletin Advance Notification indicating that its February release will contain eleven bulletins. These bulletins will have the severity rating of critical and important, and will be for Microsoft Windows, Internet Explorer, Server Software, and .NET Framework. The...

Microsoft Releases January 2013 Security Bulletin

Microsoft has released updates to address vulnerabilities in Microsoft Windows, Office, Developers Tools, Server Software, and .NET Framework as part of the Microsoft Security Bulletin summary for January 2013. These vulnerabilities could allow remote code execution, elevation of privilege,...

Holiday Season Phishing Scams and Malware Campaigns

Since the winter holidays are quickly approaching, US-CERT is republishing this entry to increase awareness about phishing scams and malware campaigns. In the past, US-CERT has received reports of an increased number of phishing scams and malware campaigns that take advantage of the winter holida...

Apple Releases QuickTime 7.7.2

Apple has released QuickTime 7.7.2 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 Apple Support Article HT5261 and apply any necessary updates ...

Adobe Releases Security Bulletins for Multiple Products

Adobe has released security bulletins to alert users of critical vulnerabilities in multiple products. The following products are affected: Adobe Illustrator CS 5.5 and earlier versions for Windows and Macintosh Adobe Photoshop CS 5.5 and earlier versions for Windows and Macintosh Adobe Flash...

Mozilla Releases Multiple Updates

The Mozilla Foundation has released updates for the following products to address multiple vulnerabilities. Firefox 11 Firefox 3.6.28 Firefox ESR 10.0.3 Thunderbird 11 Thunderbird 3.1.20 Thunderbird ESR 10.0.3 SeaMonkey 2.8 These vulnerabilities may allow an attacker to execute arbitrary code,...

Cisco Releases Security Advisory for Cisco NX-OS

Cisco has released a security advisory to address a vulnerability in the following Cisco NX-OS Software Series: Cisco Nexus 1000v Series Switches Cisco Nexus 5000 Series Switches Cisco Nexus 7000 Series Switches Exploitation of this vulnerability may allow an attacker to cause a denial-of-service...

U.S. Tax Season Phishing Scams and Malware Campaigns

In the past, US-CERT has received reports of an increased number of phishing scams and malware campaigns that take advantage of the United States tax season. Due to the upcoming tax deadline, US-CERT reminds users to remain cautious when receiving unsolicited email that could be part of a potenti...

Mozilla Releases Firefox 10 and 3.6.26

The Mozilla Foundation has released Firefox 10 and Firefox 3.6.26 to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code, cause a denial-of-service condition, obtain sensitive information, or perform a cross-site scripting attack. US-CERT...

Best Practices for Recovery from the Malicious Erasure of Files

There are many ways in which cyber criminals can damage computer systems and data, including changing or deleting files, wiping hard drives, and erasing backups to hide their malicious activity. Hard drives are wiped, or "zeroed out," when the original data is overwritten with zeros or different...

Mozilla Releases Firefox 9 and 3.6.25

The Mozilla Foundation has released Firefox 9 and Firefox 3.6.25 to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code, cause a denial-of-service condition, or perform a cross-site scripting attack. US-CERT encourages users and administrators t...

Adobe Releases Security Advisory for Adobe Flex SDK

Adobe has released a security advisory to alert users of a vulnerability that affects Adobe Flex SDK. This vulnerability affects Adobe Flex SDK 4.5.1 and earlier 4.X and 3.6 and earlier 3.X for Windows, Macintosh, and Linux operating systems. Exploitation of this vulnerability may allow an attack...

Adobe Releases Security Advisory for Adobe Flash Player and Adobe AIR

Adobe has released a security advisory to alert users of vulnerabilities affecting Adobe Flash Player and Adobe AIR. These vulnerabilities affect Adobe Flash Player 11.0.1.152 and earlier versions for Windows, Macintosh, Linux, Solaris, Adobe Flash Player 11.0.1.153 for Android, and Adobe AIR 3.0...

Google Releases Chrome 15.0.874.102

Google has released Chrome 15.0.874.102 for Linux, Mac, Windows, and Chrome Frame to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code. US-CERT encourages users and administrators to review the Google Chrome Releases blog entry and update to...

Cisco Releases Multiple Security Advisories

Cisco has released two security advisories to address vulnerabilities affecting the CiscoWorks LAN Management Solution, the Cisco Unified Service Monitor, and the Cisco Unified Operations Manager. These vulnerabilities may allow an unauthenticated attacker to execute arbitrary code. US-CERT...

Apple Releases QuickTime 7.7

Apple has released QuickTime 7.7 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 Apple Support Article HT4826 and apply any necessary updates to...

Microsoft Releases August Security Bulletin

Microsoft has released updates to address vulnerabilities in Microsoft Windows, Internet Explorer, Microsoft Office, Microsoft .NET Framework, and Microsoft Developer Tools as part of the Microsoft Security Bulletin Summary for August 2011. These vulnerabilities may allow an attacker to execute...

Oracle Releases Critical Patch Update for July 2011

Oracle has released its Critical Patch Update for July 2011 to address 78 vulnerabilities across multiple products. This update contains the following security fixes: 13 for Oracle Database Server 3 for Oracle Secure Backup 7 for Oracle Fusion Middleware 18 for Oracle Enterprise Manager 1 for...

Mozilla Releases Firefox 5.0.1

The Mozilla Foundation has released Firefox 5.0.1 to address an issue with Mac OS X 10.7 and Java for Mac OS X 10.6 Update 5. These issues could cause Firefox to crash. US-CERT encourages users and administrators to review the Mozilla Foundation Firefox 5.0.1 Release Notes and apply any necessary...

Mozilla Releases Firefox 5 and 3.6.18

The Mozilla Foundation has released Firefox 5 and Firefox 3.6.18 to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code, violate the same origin policy, or perform a cross-site scripting attack. US-CERT encourages users and administrators to...

Cisco Releases Security Advisories for Multiple Products

Cisco has released security advisories for four products to address multiple vulnerabilities. These products include Cisco Unified IP phones, Cisco Network Registrar, Cisco AnyConnect Secure Mobility Client, and Cisco Media Experience. Exploitation of the vulnerabilities may allow an attacker to...

Apple Mac Defender, MacProtector, and MacSecurity Fake Anti-Virus Software

Apple has released a security advisory related to the recent Mac fake anti-virus software. The most common names for this fake anti-virus software are MacDefender, MacProtector, and MacSecurity. This fake anti-virus software is the result of a phishing scam targeting Mac users that redirects them...

WordPress Releases Version 3.1.2

WordPress has released WordPress 3.1.2 to address a vulnerability. Execution of this vulnerability may allow an attacker to operate with elevated privileges. US-CERT encourages users and administrators to review the WordPress Codex document for version 3.1.2 and apply any necessary updates to hel...

Google Releases Chrome 10.0.648.133

Google has released Chrome 10.0.648.133 for Windows, Mac, Linux, and Chrome Frame. This update addresses a vulnerability that may allow an attacker to execute arbitrary code. US-CERT encourages users and administrators to review the Google Chrome Releases blog entry and apply any necessary update...

RealNetworks, Inc. Releases Security Updates for RealPlayer

RealNetworks, Inc. has released security updates to address a vulnerability affecting Windows RealPlayer 14.0.1 and earlier versions and RealPlayer Enterprise 2.1.4 and earlier versions. Exploitation of this vulnerability may allow an attacker to execute arbitrary code in the context of the...

Microsoft Security Advisory 2488013

Microsoft Security Advisory 2488013 addresses a vulnerability in Internet Explorer. This advisory has been updated to include Microsoft Fix It 50591 that prevents the recursive loading of CSS style sheets in Internet Explorer as a mitigation for this vulnerability. Exploitation of this...

RIM Releases Security Advisory for BlackBerry Enterprise Server

RIM has released a security advisory to address a vulnerability in the PDF distiller of the BlackBerry attachment service for the BlackBerry Enterprise Server. The vulnerability may allow an attacker to execute arbitrary code or cause a denial-of-service condition. US-CERT encourages users and...

VMware Releases Security Patch for ESX

VMware has released a security patch for ESX to address a vulnerability. Exploitation of this vulnerability may allow a local user to gain additional privileges on the affected system. US-CERT encourages users and administrators to review VMware knowledgebase article 1029397 and apply any necessa...