Cisco UCS Director Default Credentials Vulnerability

Cisco has released a security advisory to address a vulnerability in Cisco Unified Computing System UCS Director. This vulnerability could allow an unauthenticated, remote attacker to take complete control of the affected device due to a default root user account created during installation...

Adobe Releases Security Updates for Adobe Reader and Acrobat

Adobe has released security updates for Adobe Reader and Acrobat XI 11.0.05 and earlier versions for Windows and Macintosh to address multiple vulnerabilities affecting the following software versions: Adobe Reader XI 11.0.05 and earlier 11.x versions for Windows and Macintosh Adobe Reader X 10.1...

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...

Mozilla Releases Multiple Updates

The Mozilla Foundation has released updates for the following products to address multiple vulnerabilities. Firefox 26 Firefox ESR 24.2 Thunderbird 24.2 SeaMonkey 2.23 These vulnerabilities could allow a remote attacker to bypass intended security restrictions, conduct a spoofing attack, execute...

Adobe Releases Security Update for Adobe Shockwave Player

Adobe has released a security update for Adobe Shockwave Player 12.0.6.147 and earlier versions on the Windows and Macintosh operating systems to address multiple vulnerabilities. These vulnerabilities could allow an attacker to execute arbitrary code on the affected system. US-CERT recommends...

Microsoft Releases December 2013 Security Bulletin

Microsoft has released updates to address vulnerabilities in Microsoft Windows, Microsoft Office, Microsoft Lync, Internet Explorer, Microsoft Exchange, Microsoft SharePoint, and Microsoft Developer Tools as part of the Microsoft Security Bulletin Summary for December 2013. These vulnerabilities...

Philippines Typhoon Disaster Email Scams and Phishing Attack Warning

After a natural disaster phishing emails and websites requesting donations for bogus charitable organizations begin to appear. Users should be aware of potential email scams and phishing attacks regarding the recent Philippines Typhoon disaster. Email scams may contain links or attachments which...

Apple Releases OS X Mountain Lion v10.8.5 Supplemental Update

Apple has released an OS X Mountain Lion v10.8.5 Supplemental Update to address a vulnerability. This vulnerability could potentially allow a local attacker to bypass authentication controls. US-CERT encourages users and administrator to review Apple Security Article HT5964 and apply any necessar...

Microsoft Releases Advance Notification for October Security Bulletin

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

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...

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...

Microsoft Releases Security Advisory for Internet Explorer

Microsoft is investigating public reports of a remote code execution vulnerability in Internet Explorer 8 and is aware of attacks that attempt to exploit this vulnerability. This vulnerability may allow an attacker to execute arbitrary code if a user accesses a specially crafted website. Microsof...

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...

Apple Releases iOS 6.1

Apple has released iOS 6.1 for the iPhone 3GS and later, iPod touch 4th generation and later, and iPad 2 and later to address multiple vulnerabilities. These vulnerabilities may allow an attacker to operate with elevated privileges or execute arbitrary code. US-CERT encourages users and...

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,...

Adobe Releases Security Bulletin About Code Signing Certificate

Adobe has released a security bulletin to address an issue with a current Adobe code signing certificate. The certificate to be revoked has been used to sign malicious code. The certificate will be revoked on October 4, 2012 for all software code signed after July 10, 2012. Adobe is issuing a new...

Adobe Releases Update for Adobe Flash Player

Adobe has released a security bulletin for Adobe Flash Player to address multiple vulnerabilities affecting the following software versions: Adobe Flash Player 11.1.102.62 and earlier versions from Windows, Linux, and Solaris operating systems Adobe Flash Player 11.1.115.6 and earlier versions fo...

Microsoft Releases January Security Bulletin

Microsoft has released updates to address vulnerabilities in Microsoft Windows and Microsoft Developer Tools and Software as part of the Microsoft Security Bulletin Summary for January 2012. These vulnerabilities may allow an attacker to execute arbitrary code, operate with elevated privileges,...

Fraudulent Digital Certificates Could Allow Spoofing

US-CERT is aware of public reports that DigiCert Sdn. Bhd has issued 22 certificates with weak encryption keys. This could allow an attacker to use these certificates to impersonate legitimate site owners. DigiCert Sdn. Bhd has revoked all the weak certificates that they issued. Entrust, the pare...

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...

Potential Hurricane Irene Phishing Scams

In the past, US-CERT has received reports of phishing scams and malware campaigns related to topics that are of high-interest to the U.S. Government or news media, such as Hurricane Irene. Users' systems have been compromised by receiving and accessing phishing emails with subject lines that seem...

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...

Apple Releases Safari 5.1 and 5.0.6

Apple has released Safari 5.1 and 5.0.6 to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code, perform a cross-site scripting attack, or disclose sensitive information. US-CERT encourages users and administrators to review Apple Support Article...

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...

Google Chrome Releases 12.0.742.91

Google has released Chrome 12.0.742.91 for Windows, Mac, 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 Releases blog entry and update to...

VMware Releases Security Advisory

VMware has released security advisory VMSA-2011-0009 to address multiple vulnerabilities in the following products: VMware Workstation 7.1.3 and earlier VMware Player 3.1.3 and earlier VMware Fusion 3.1.2 and earlier ESXi 4.1 without patch ESXi410-201104402-BG ESXi 4.0 without patch...

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...

Google Chrome Releases 11.0.696.71

Google has released Chrome 11.0.696.71 for Windows, Mac, 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 Releases blog entry and update to...

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...

Microsoft Releases April Security Bulletin

Microsoft has released updates to address vulnerabilities in Microsoft Windows, Internet Explorer, Office, Server Software, and Developer Tools as part of the Microsoft Security Bulletin Summary for April 2011. These vulnerabilities may allow an attacker to execute arbitrary code or operate with...

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 Safari 5.0.4

Apple has released Safari 5.0.4 to address multiple vulnerabilities in the ImageIO, libxml, and WebKit packages. These vulnerabilities may allow an attacker to execute arbitrary code, cause a denial-of-service condition, obtain sensitive information, or conduct cross-site scripting attacks. US-CE...

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...

Mozilla Releases Updates for Firefox, Thunderbird, and SeaMonkey

The Mozilla Foundation has released Firefox 3.6.14 and Firefox 3.5.17 to address multiple vulnerabilities. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code, conduct cross-site request forgery attacks, cause a denial-of-service condition, or operate with elevat...

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...

VideoLAN Releases Security Advisory for VLC Media Player

VideoLAN has released a security advisory to address a vulnerability in VLC Media Player. This vulnerability may allow an attacker to execute arbitrary code. US-CERT encourages users and administrators to review VideoLAN security advisory VideoLAN-SA-1102 and apply any necessary updates or...

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...

VMware Releases Security Advisory VMSA-2010-0018

VMware has released security advisory VMSA-2010-0018 to address multiple vulnerabilities affecting VMware Workstation, Player, Fusion, ESXi, and ESX. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code or operate with elevated privileges. US-CERT encourages users...

OpenSSL Releases OpenSSL 1.0.0b

OpenSSL has released OpenSSL 1.0.0b to address a vulnerability that may allow an attacker to execute arbitrary code. US-CERT recommends that users and administrators of this product update to OpenSSL version 1.0.0b or apply the workaround provided in the OpenSSL security advisory. Because OpenSSL...

Google Releases Chrome 7.0.517.44

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. US-CERT encourages users and administrators to review the Google Chrome Releases blog entry and apply any necessary updates...

Oracle Releases Pre-Release Announcement for October 2010

Oracle has issued a critical patch update pre-release announcement indicating that its October release will contain 81 new vulnerability fixes. Release of the critical patch update is scheduled for Tuesday, October 12, 2010. US-CERT encourages users and administrators to review the pre-release...

Apple Releases Safari 5.0.2 and 4.1.2

Apple has released Safari 5.0.2 and 4.1.2 to address multiple vulnerabilities in the Safari and WebKit packages. 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 HT4333...

Apple Releases iTunes 10

Apple has released iTunes 10 to address multiple vulnerabilities affecting the WebKit package. 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 HT4328 and apply any...

VMware Releases Updates for ESX Service Console Packages

VMware has released security updates for multiple third party packages for the ESX Service Console. These updates address vulnerabilities in the perl, krb5, samba, tar, and cpio packages. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code, cause a...

RealNetworks Releases Update to Address Vulnerabilities in RealPlayer

RealNetworks, Inc. has released an update for RealPlayer to address multiple vulnerabilities. These vulnerabilities may allow a remote, unauthenticated attacker to execute arbitrary code or obtain sensitive information. US-CERT encourages users and administrators to review the RealNetworks, Inc...

Cisco Releases Advisories for Unified Communications Manager and Unified Presence

Cisco has released security advisories to address multiple vulnerabilities affecting Unified Communications Manager and Unified Presence. These vulnerabilities affect the processing of Session Initiation Protocol SIP messages. Exploitation of these vulnerabilities may allow an attacker to cause a...

VideoLAN Releases a Security Advisory for VLC Media Player

VideoLAN has released a security advisory to address a vulnerability in VLC Media Player. This vulnerability may allow an attacker to execute arbitrary code or cause a denial-of-service condition. The updated release also addresses additional issues that could result in a denial-of-service attack...

Cisco IOS Software Vulnerability

Cisco has released a security advisory to address a vulnerability affecting IOS Software Release 15.12T. This vulnerability may allow an attacker to cause a denial-of-service condition by sending a specially crafted packet through normal network traffic. US-CERT encourages users and administrator...

Firefox Releases Firefox 3.6.8

The Mozilla Foundation has released Firefox 3.6.8 to address a critical vulnerability. This vulnerability may allow an attacker to execute arbitrary code. US-CERT encourages users and administrators to review the Mozilla Foundation security advisory MFSA 2010-48 and update to Firefox 3.6.8 to hel...