Telstra has revealed the addition of almost one million new mobile services in the six months to December 2011, but Sensis revenues plummeted 24 percent in 12 months.
Yahoo has issued fixes for a critical bug in its Yahoo Messenger IM client which if exploited could hand control of a user's computer to a remote attacker.
The bug in the ActiveX controls of the webcam
feature of Yahoo Messenger 8.x enabled buffer overflows to occur when
using a webcam to view or stream images. This in turn created
conditions for a remote attack to occur if a user visited a maicious
website that exploited the flaw.
Yahoo Messenger has an estimated user base of about 100 million and is interoperable with Microsoft Live Messenger.
Security firm, eEye Digital Security, which reported the bug to Yahoo on June 5, stated in an advisory:
"eEye Digital Security has discovered two critical vulnerabilities in
ywcupl.dll (version 2.0.1.4) and ywcvwr.dll (version 2.0.1.4) included
by default in all releases of Yahoo! Messenger 8.x. Ywcupl.dll is
Yahoo's Webcam Upload ActiveX Control used by Yahoo! Messenger to
stream content from a user's webcam to other users. Ywcvwr.dll is
Yahoo! Messenger's Webcam Viewer ActiveX Control used to view any
streamed content. These files are normally used only when viewing or
streaming webcam content to and from Yahoo Messenger, but they are
incorrectly marked safe for scripting and can be instantiated by any
website. Furthermore they both fail to perform bounds checking on
variables resulting in 2 stack-based buffer overflow conditions that
could allow arbitrary code to execute in the context of the logged-in
user."
David Bass
| For the fourth year in a row, IDC has placed content security provider Websense (NASDAQ: WBSN) at the top of the IDC Worldwide Web Security 2011 –…
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