Yahoo Messenger
Yahoo Messenger
Yahoo! Messenger is a popular instant messaging client and protocol provided by Yahoo!. Yahoo! Messenger is provided free of charge and can be downloaded and used with a generic "Yahoo! ID" which also allows access to other Yahoo! services, such as Yahoo! Mail, where users can be automatically notified when they receive new email. Yahoo Instant Messenger also includes a security feature which allows the user to be "invisible" to whoever they choose. Although this feature is easily bypassed by using Buddy Spy. A free third party application.
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Yahoo Plugs PNG Security Hole Yahoo Inc. has issued a security update to its popular instant messaging service to fix broader vulnerabilities in an advanced graphics format.
Late on Tuesday, Yahoo posted a security update for its Windows version of Yahoo Messenger to fix a series of vulnerabilities in the PNG (portable network graphics) library, or libpng. The library provides a set of graphics routines for PNG files; PNG is an alternative graphics format to GIF.
The PNG library holes, as pre......
[more] P2P Attacks Up; IM Hits Down IM security solutions provider Akonix Systems said its research team tracked 22 new attacks on Peer-to-Peer networks in October, a 19 percent increase over September.
The attacks on networks such as eDonkey and Kazaa came at the same time the Akonix Security Center tracked a decrease in attacks on Instant Messaging networks during the same time frame.
Don Montgomery, vice president of marketing at Akonix Systems, said October marked the first month that P2P attac......
[more] U.K. firms under fire for ignoring policy Widespread failure to implement or enforce internet acceptable usage policies (AUPs) is leaving many U.K. companies open to potentially serious IT security breaches, newly published research has claimed. The survey, conducted for network security provider SmoothWall, revealed that seven out of ten companies acknowledged that an AUP is crucial to the security of IT systems, but 38 percent went on to admit that their employees, who should be governed by su......
[more] Microsoft, Yahoo link their online instant messaging systems Yahoo and Microsoft released software that built a bridge between their previously exclusive online instant messaging (IM) systems. The move fulfilled a promise the US Internet titans made late last year and marked the first time rival global messaging service providers arranged to co-mingle members.It also signaled a continued erosion of the walls dividing users of IM and mobile telephone text messaging services, according to lead an......
[more] Aladdin eSafe Increases Security Through New IM File Transfer Blocking Aladdin eSafe now offers enhanced AppliFilter technology that blocks potentially harmful file transfers while still allowing legitimate IM messaging. Aladdin Knowledge Systems, the leader in Software DRM, identity management, and content security solutions, today announced its Aladdin eSafe gateway-based content security solution now offers enhanced AppliFilter features that allow organizations to block file sharing in Instan......
[more] Yahoo Fixes Messenger Flaw Yahoo Inc. has patched a critical vulnerability in its Windows instant messaging client and has recommended that all users download and install an updated edition. The bug, characterized as "Highly critical" by Danish vulnerability tracker Secunia, is caused by a flawed Yahoo Messenger ActiveX control that could be used by attackers to crash a chat session, bring down the Internet Explorer browser, or execute malicious code on a victimized PC.Yahoo down......
[more] Yahoo updates to patch Messenger ActiveX vulnerability Yahoo has updated its instant messaging platform to protect against a vulnerability that can allow remote attacks. Versions of Yahoo Messenger installed before March 13 contain a flaw that can allow remote code attacks, Yahoo said Monday in an security advisory.The flaw is caused by a boundary error within the AudioConf ActiveX control (yacscom.dll), according to an advisory from Secunia.The vulnerability can be exploited to cause a stack-ba......
[more] Hackers Launching Attacks Against Yahoo Messenger Bugs Websense researchers report 40 to 50 malicious sites are taking advantage of critical vulnerabilities in the instant messenger. Malware writers have latched on to the exploit code for the critical bugs in Yahoo Messenger, setting up 40 to 50 malicious Web sites to attack unsuspecting, and unpatched, users. "This threat is critical," said Stephan Chenette, manager of Websense Security Labs, in an interview. "The use of [the ex......
[more] Critical IM bugs hit Yahoo and Trillian Yahoo Messenger and Trillian instant messaging clients are both subject to critical security vulnerabilities, researchers say. The Yahoo Messenger bug, which was posted to the Full Disclosure mailing list by Rajesh Sethumadhavan, is a buffer overflow flaw that can be exploited with a specially crafted address book entry. Messenger immediately crashes when it encounters the malformed entry, Sethumadhavan said, but it may also be susceptible to code executi......
[more] McAfee warns of Yahoo Messenger Webcam bug Users of Yahoo's instant messaging platform are being warned to avoid webcam invites from unknown sources after a vulnerability in the platform was disclosed this week. The zero-day flaw was first published on Chinese security forums, but researchers at McAfee said this week that they recreated the flaw on Yahoo Messenger version 8.1.0.413.The vulnerability "seems like a classic heap overflow that can be triggered when the victim accepts a webcam i......
[more] Instant Messenger 'can benefit business if securely governed' The rising use of Instant Messenger technology, from Windows Live Messenger and Yahoo Messenger to companies' own chat software, can be of benefit to businesses if security is properly understood and governed, delegates at an IDC security event were told this week. David Stanley, VP of business development at Presence Networks, said the risks associated with IM were clear, with a survey of end-users conducted by the security supplier......
[more] Keep your IM-using employees on a need-to-know basis As long as people have competed against others, whether commercially, militarily or athletically, their organizations have possessed information or practices that need to be kept secret. Naturally, competitors have always wanted to learn those secrets, and history is filled with stories of spies, patents, secret codes and inadvertent disclosure of confidential information. Everyone knows that Coca-Cola guards the secret formula for their elix......
[more] Yahoo Fixes Critical Mail Flaw Yahoo fixed a critical vulnerability in its Messenger desktop and Mail applications that could allow hackers to steal identities to gain access to users' private information. In a worst case scenario, the flaw enabled hackers to hijack users' sessions and infiltrate their private accounts, as well as overtake operations in Yahoo Mail, if it was exploited. The cross site scripting vulnerability, which occurs between the interaction of the Yahoo Messenger desktop a......
[more] Chatty Skype worm tries to fox antivirus programs A new instant messaging (IM) worm has been spotted using a number of evolved techniques to beat installed security programs and catch even suspicious users off-guard. According to BitDefender, Backdoor.Tofsee's cleverness starts with its choosiness - it infects only PCs running Skype and Yahoo Messenger, leaving other users uninfected.If a user running one of these applications is chanced upon, it then checks to see whether the target system is......
[more] US tops botnet charts The US is home to the greatest arsenal of botnets, according to reports from Microsoft and Sophos. According to Sophos, US computers dumped 18.6 per cent of the world's spam between July and September this year. When the whole continent was taken into account, North America only came third behind Asia. It was Europe that topped this list as the source of a third of the world's spam.It was not surprising, therefore, that Microsoft's study of the botnet population also placed......
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