Microsoft Releases Security Advisory for Internet Explorer 9 and 10 Use-After-Free Vulnerability

Microsoft has released Security Advisory 2934088 to address a use-after-free vulnerability in Internet Explorer 9 and 10, which can be used by a remote attacker to take control of a vulnerable system. US-CERT and Microsoft are aware of targeted attacks currently exploiting this vulnerability. Use...

Microsoft Releases February 2014 Security Bulletin

Microsoft has released updates to address vulnerabilities in Microsoft Windows, Internet Explorer, Microsoft Security Software, and Microsoft .NET Framework as part of the Microsoft Security Bulletin Summary for February 2014. These vulnerabilities could allow remote code execution, elevation of...

Adobe Releases Security Updates for Adobe Flash Player

Adobe has released security updates for Adobe Flash Player 11.9.900.170 and earlier versions for Windows, Macintosh, Adobe Flash Player 11.2.202.332, and Linux to address multiple vulnerabilities that may allow an attacker to take control of the affected system. Affected software versions: Adobe...

Adobe Releases Security Updates for Adobe Flash Player

Adobe has released security updates for Adobe Flash Player to address multiple vulnerabilities. Adobe is aware of reports that an exploit designed to trick a user into opening a Microsoft Word document with malicious Flash .swf content exists. These vulnerabilities could cause a crash and...

Google Releases Google Chrome 31.0.1650.48

Google has released Google Chrome 31.0.1650.48 for Windows, Mac, Linux, and Chrome Frame to address multiple vulnerabilities. These vulnerabilities could allow a remote attacker to cause a denial of service condition or bypass intended security restrictions. US-CERT encourages users and...

Apple Releases Apple Remote Desktop 3.7

Apple has released Apple Remote Desktop 3.7 to address multiple vulnerabilities. These vulnerabilities could allow a remote attacker to execute arbitrary code or obtain sensitive information. US-CERT encourages users and administrators to review Apple Support Article HT5998 and follow best practi...

Cisco Releases Security Advisory

Cisco has released a security advisory to address a vulnerability in the web framework of Cisco Prime Central for Hosted Collaboration Solution HCS Assurance. This vulnerability could allow an unauthenticated, remote attacker to access sensitive information on the system, including user...

Microsoft Releases August 2013 Security Bulletin

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

Cisco Releases Security Advisory

Cisco has released a security advisory to address a vulnerability in the Cisco TelePresence System. This vulnerability may allow a remote attacker to access the web server via a user account created with default credentials, which gives the attacker full administrative rights to the system. US-CE...

Mozilla Releases Multiple Updates

The Mozilla Foundation has released updates for the following products to address multiple vulnerabilities. Firefox 23.0 Firefox ESR 17.0.8 Thunderbird 17.0.8 Thunderbird ESR 17.0.8 Seamonkey 2.20 These vulnerabilities could allow a remote attacker to cause a denial of service condition, conduct ...

Mozilla Releases Multiple Updates

The Mozilla Foundation has released updates for the following products to address multiple vulnerabilities. Firefox 22.0 Firefox ESR 17.0.7 Thunderbird 17.0.7 Thunderbird ESR 17.0.7 These vulnerabilities could allow a remote attacker to execute arbitrary code and potentially cause a cross-site...

Security Updates Available for Adobe Reader and Acrobat

Adobe has released security updates for Adobe Reader and Acrobat to address multiple vulnerabilities. These vulnerabilities could cause a crash and potentially allow an attacker to take control of an affected system. The following versions of Adobe Reader and Acrobat are affected: Adobe Reader XI...

Apple Releases Security Updates for Safari

Apple has released security updates for Safari 6.0.4 WebKit to address multiple vulnerabilities. These vulnerabilities could allow a remote attacker to execute arbitrary code or cause a denial-of-service condition. Safari 6.0.4 WebKit updates are available for the following versions: OS X Lion...

WordPress Sites Targeted by Mass Brute-force Botnet Attack

US-CERT is aware of an ongoing campaign targeting the content management software WordPress, a free and open source blogging tool and web publishing platform based on PHP and MySQL. All hosting providers offering WordPress for web content management are potentially targets. Hackers reportedly are...

Adobe Releases Security Updates for Adobe Flash Player

Adobe has released security updates for Adobe Flash Player. These vulnerabilities could potentially allow an attacker to take control of an affected system or cause a denial-of-service condition. Adobe has released updates to the following products: Adobe Flash Player 11.6.602.180 and earlier...

Apple Releases iOS 6.1.3

Apple has released iOS 6.1.3 for the iPhone 3GS or later, iPod touch 4th generation or later, and iPad 2 or later to address multiple vulnerabilities. These vulnerabilities may allow an attacker to operate with elevated privileges, bypass security features or execute arbitrary code. US-CERT...

Microsoft Releases March 2013 Security Bulletin

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

Microsoft Releases February 2013 Security Bulletin

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

Cisco Releases Security Advisory for Cisco Wireless LAN Controllers

The Cisco Wireless LAN Controller Cisco WLC product family is affected by multiple vulnerabilities that could potentially cause a denial-of-service condition, allow unauthorized access, or allow an attacker to execute code remotely. Cisco has released software updates that address these...

Microsoft Releases Security Advisory for Internet Explorer

Microsoft has released Security Advisory 2794220 to address a vulnerability in Microsoft Internet Explorer 6, 7, and 8. This vulnerability may allow an attacker to execute arbitrary code if a user accesses a specially crafted website. Microsoft is aware of targeted attacks that attempt to exploit...

Google Releases Google Chrome 23.0.1271.97

Google has released Google Chrome 23.0.1271.97 for Windows, Mac, Linux, and ChromeFrame to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code or cause a denial of service. US-CERT encourages users and administrators to review the Google Chrome...

Google Releases Google Chrome 23.0.1271.64

Google has released Google Chrome 23.0.1271.64 for Windows, Macintosh, Linux 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 Release blog entry and...

Microsoft Releases October Security Bulletin

Microsoft has released updates to address vulnerabilities in Microsoft Windows, SQL Server, Server Software, Office, and Lync as part of the Microsoft Security Bulletin summary for October 2012. These vulnerabilities may allow an attacker to execute arbitrary code, cause a denial-of-service...

Increased Exploitation in Web Content Management Systems

US-CERT is aware of recent increases in the exploitation of known vulnerabilities in web content management systems CMSs such as Wordpress and Joomla. Compromised CMS installations can be used to host malicious content. US-CERT recommends that users and administrators ensure that their CMS...

Microsoft Releases September Security Bulletin

Microsoft has released updates to address vulnerabilities in Microsoft Development Tools and Server Software as part of the Microsoft Security Bulletin summary for September 2012. These vulnerabilities may allow an attacker to operate with elevated privileges. US-CERT encourages users and...

Microsoft Releases a Security Advisory for Windows Sidebar and Gadgets

Microsoft has released security advisory 2719662 to address a vulnerability in Microsoft Windows Sidebar and Gadgets. This vulnerability may allow an attacker to execute arbitrary code, take control of an affected system, or disclose sensitive information. US-CERT encourages users and...

RuggedCom Rugged Operating System Vulnerability

RuggedCom Rugged Operating System ROS, used in RuggedCom network infrastructure devices, contains a hard-coded user account with a predictable password. This user account cannot be manually disabled. An attacker who successfully guesses the password may be able to gain complete administrative...

Adobe Releases Security Bulletin for Adobe Reader and Acrobat

Adobe has released a security bulletin to address multiple vulnerabilities in Adobe Reader X 10.1.2 and earlier versions for Windows and Macintosh, Adobe Reader 9.4.6 and earlier versions for Linux, and Adobe Acrobat X 10.1.2 and earlier versions for Windows and Macintosh. Exploitation of these...

Google Releases Google Chrome 17.0.963.83

Google has released Chrome 17.0.963.83 for Linux, Macintosh, 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 Googl...

Apple Releases Safari 5.1.4

Apple has released Safari 5.1.4 to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code, spoof a domain name, obtain sensitive information, or perform a cross-site scripting attack. US-CERT encourages users and administrators to review Apple...

Holiday Season Phishing Scams and Malware Campaigns

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

Mozilla Releases Firefox 8 and 3.6.24

The Mozilla Foundation has released Firefox 8 and Firefox 3.6.24 to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code, operate with escalated privileges, cause a denial-of-services condition, obtain sensitive information, or perform a cross-si...

Microsoft Releases Security Advisory for Vulnerability in TrueType Font Parsing

Microsoft has released Microsoft Security Advisory 2639658 to address a vulnerability in the Win32k TrueType font parsing engine. By convincing a user to open a malicious email attachment, an attacker may be able to exploit this vulnerability and execute arbitrary code. Microsoft has indicated th...

Apple Releases iTunes 10.5

Apple has released iTunes 10.5 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 article HT4981 and apply any necessary updates to help...

Google Releases Chrome 14.0.835.163

Google has released Chrome 14.0.835.163 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...

WordPress Themes Vulnerability

TimThumb, a PHP script that is reused in many popular themes for the WordPress blog software, contains a vulnerability that allows a remote attacker to upload arbitrary PHP code to an affected site. US-CERT encourages users and administrators to: determine if any hosted blogs use TimThumb by...

Google Releases Chrome 12.0.742.112

Google released Chrome 12.0.742.112 for Windows, Mac, Linux, and Chrome Frame to address multiple vulnerabilities. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code. This update also contains an updated version of Adobe Flash. US-CERT encourages users and...

Apple Releases Malware Detection Tool

Apple has released Security Update 2011-003 for Mac OS X in response to the recent Mac fake anti-virus software. This update: adds a malware definition to the File Quarantine application causes the File Quarantine application to automatically update its malware definition list daily removes...

Video Game Phishing

US-CERT is aware of reports that some users on the Xbox 360 video game system are receiving potential phishing attempts through an in-game messaging service. In-game message phishing is not a Microsoft issue and has nothing to do with Xbox LIVE. Games are products of third party developers that a...

Adobe Releases Security Advisory for Flash Player, Reader, and Acrobat

Adobe has released a security update for Adobe Flash Player to address the vulnerability previously referenced in Adobe Security Advisory APSA11-02. Exploitation of this vulnerability may allow an attacker to execute arbitrary code or cause a denial-of-service condition. Adobe has indicated that...

Google Releases Chrome 10.0.648.204

Google has released Chrome 10.0.648.204 for Windows, Mac, Linux, and Chrome Frame to address multiple vulnerabilities. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code. US-CERT encourages users and administrators to review the Google Chrome Releases blog entry...

VideoLAN Releases VLC Media Player 1.1.8

VideoLAN has released VLC Media Player 1.1.8 to address two vulnerabilities. These vulnerabilities are due to the improper handling of .AMV and .NSV files. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code. US-CERT encourages users and administrators to review...

Fraudulent SSL Certificates

US-CERT is aware of public reports of the existence of fraudulent SSL certificates. These fraudulent SSL certificates could be used by an attacker to masquerade as a trusted website. Multiple web browser vendors have provided updates to recognize and block these fraudulent SSL certificates. Mozil...

Adobe Releases Security Updates for Reader and Acrobat

Adobe has released updates for Adobe Reader and Acrobat for Windows and Macintosh. These updates address a vulnerability in the authplay.dll component. Exploitation of this vulnerability may allow an attacker to execute arbitrary code. US-CERT encourages users and administrators to review Adobe...

Apple Releases Java Updates for Mac OS X 10.5 and OS X 10.6

Apple has released Java for Mac OS X 10.5 Update 9 and Java for Mac OS X 10.6 Update 4 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...

Oracle Releases Critical Patch Update for Java SE and Java for Business

Oracle has released a Critical Patch Update for Java SE and Java for Business. This update addresses multiple vulnerabilities and contains 21 security fixes. US-CERT encourages users and administrators to review the Oracle Java SE and Java for Business Critical Patch Update Advisory for February...

Microsoft Internet Explorer 8 use-after-free Vulnerability

US-CERT is aware of a vulnerability affecting Microsoft Internet Explorer 8. This vulnerability is due to improper handling of circular memory references. Exploitation of this vulnerability may allow an attacker to execute arbitrary code in the context of the user or cause a denial-of-service...

Microsoft Releases Advance Notification for December Security Bulletin

Microsoft has issued a Security Bulletin Advance Notification indicating that its December release will contain 17 bulletins. Two of these bulletins will have a severity rating of critical and will be for Microsoft Windows and Internet Explorer. Fourteen of the bulletins will have a severity rati...

Linux Root Access Vulnerabilities

US-CERT is aware of public reports of multiple vulnerabilities affecting Linux. Exploitation of these vulnerabilities may allow an attacker to access the system with root or "superuser" privileges. The first of these vulnerabilities is due to a flaw in the implementation of the Reliable Datagram...

Google Releases Chrome 7.0.517.41

Google has released Chrome 7.0.517.41 for Linux, Mac, and Windows to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code, cause a denial-of-service condition, conduct URL spoofing, or bypass security restrictions. US-CERT encourages users and...