Category Archives: IM

Researchers Discover Vulnerability in WhatsApp

Analysts at Israeli Cybersecurity Company Checkpoint stated on Wednesday that they had identified a bug in WhatsApp that could permit attackers to amend and send fake messages in the famous social messaging app. It was further stated that the flaw gives an attacker the probability to divert and control messages sent by those in a group or private chat in addition to generate and spread misinformation.

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Russia Demands Apple to Assist Blocking Telegram

Communications watchdog of Russia stated that it had demanded Apple to support in blocking the famous messaging app Telegram which has been barred in the country for rejecting to provide the access to security services for private conversations. Roskomnadzor told that it had demanded that Apple both block push warnings for Telegram users in Russia, which would unable the users to receive warnings for new messages and consequently reduce it less suitable, as well as no elongated mark it existing for download in the country.

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Unfixable Terrifying Security Threat Fixed, Found in Microsoft Skype

Microsoft has announced of an unfixable security threat in Skype. The InfoSec world was atwitter this week over worries and features of a nasty flaw in Redmond’s video chat app that seemingly cannot be stated deprived of a huge code rewrite. That the program design error was so major, it cannot be merely fixed, and Microsoft will have no choice but to redesign Skype for Windows and announce a new release in the nearing future. Well, the security threat was patched in October 2017.

The vulnerability is existing in Skype for Windows versions 7.40 and lower. Probably, far be it from us to execute to Microsoft’s rescue. Microsoft announced a version 8 without any error in October 2017, so if you retained up to date, you are fine. But if you are running older version 7 for particular reason, it is recommended to acquire newer version 8.

The security cockup permits malware functioning on a Windows PC to abuse Skype’s update mechanism to acquire entire control over the computer via DLL capture. Blaming the design omission will contribute harmful software, or someone logged into the box, with complete system-level rights. The update tool practices temporary files saved in the %SYSTEMROOT% directory, and it’s likely to drop custom DLLs into that folder and add them into a practice that functions with system-level rights.

“There was an issue with an older version of the Skype for Windows desktop installer – version 7.40 and lower. The issue was in the program that installs the Skype software – the issue was not in the Skype software itself,” Skype program manager Ellen Kilbourne said in a support forum post on Wednesday. “Customers who have already installed this version of Skype for Windows desktop are not affected. We have removed this older version of Skype for Windows desktop from our website skype.com.”

German researcher, Stefan Kanthak stated that the problem was revealed and he already alerted Redmond last year in September. Kanthak also identified that he was communicated in October 2017 that fixing the flaw in the software would need a “large code revision.” He also revealed the details of the bug current month to notify every one of the issue and thinking that this code revision had not engaged. That exposure flashed a lot of handwringing and speculation the flaw would be a “major” continuing security problem that would demonstrate highly tough and costly for Microsoft to describe, parting punters susceptible for months to increase-of-privilege threats via local users and applications.

However, Microsoft had confirmed this week it described the coding cockup back in October 2017, and that the susceptibility can be destroyed through simple updating Skype. Those functioning the modern version have been secured for the past some months. We are also not conscious of any harmful vulnerability this security hole. This will deliver a slight assistance to IT administrators who served a massive Patch Tuesday update simply two days ago that described 50 CVE-listed susceptibilities in Redmond’s products, and faced the probability of having to test and organize an out-of-band fix for Skype, too.