Feeds

Mediaplayer 7 security flaw

Get your filters out

  • alert
  • submit to reddit

Providing a secure and efficient Helpdesk

A security flaw in Media Player 7 lets unauthorised users run arbitrary code on a victim's PC if the latter is viewing a Web site or accessing an HTML email.

The discovery was made by GFI, a developer of email content-checking software. Microsoft has been notified and has issued an advisory which you can view here.

The problem lies in Media Player 7's ability to change interface. GFI says the skinning capabilities which enable it to do this can also be exploited to execute code on remote machines.

All that is required, GFI security engineer Sandro Gauci says, is for an email be opened on a machine which includes Windows Media Player 7 and on which HTML scripts are allowed, or by browsing a malicious site.

He went on: "This security problem is exploited by embedding a JavaScript (.js) file within a Media Player skin file (.wmz) which can also be embedded in a Windows Media Download file (.wmd). This does not require the user to run any attachments since the Media Player file is automatically executed using an iframe tag or a window.open() with in a script tag."

To avoid the problem, GFI advises users to filter incoming emails for WMD and WMZ files. The company says the following should also be removed from incoming HTML emails: JavaScript, iframe tags, meta refresh tags and possibly ActiveX tags. ®

Beginner's guide to SSL certificates

More from The Register

next story
ONE MILLION people already running Windows 10
A third of them are doing it in VMs, but early feedback focuses on frippery
Netscape Navigator - the browser that started it all - turns 20
It was 20 years ago today, Marc Andreeesen taught the band to play
Sign off my IT project or I’ll PHONE your MUM
Honestly, it’s a piece of piss
Sway: Microsoft's new Office app doesn't have an Undo function
Content aggregation, meet the workplace ... oh
Do Moan! MONSTER 6-day EMAIL OUTAGE hits Domain Monster
Customers freaked out by frightful service
Ploppr: The #VultureTRENDING App of the Now
This organic crowd sourced viro- social fertiliser just got REAL
Return of the Jedi – Apache reclaims web server crown
.london, .hamburg and .公司 - that's .com in Chinese - storm the web server charts
NetWare sales revive in China thanks to that man Snowden
If it ain't Microsoft, it's in fashion behind the Great Firewall
prev story

Whitepapers

Forging a new future with identity relationship management
Learn about ForgeRock's next generation IRM platform and how it is designed to empower CEOS's and enterprises to engage with consumers.
Win a year’s supply of chocolate
There is no techie angle to this competition so we're not going to pretend there is, but everyone loves chocolate so who cares.
Why cloud backup?
Combining the latest advancements in disk-based backup with secure, integrated, cloud technologies offer organizations fast and assured recovery of their critical enterprise data.
High Performance for All
While HPC is not new, it has traditionally been seen as a specialist area – is it now geared up to meet more mainstream requirements?
Saudi Petroleum chooses Tegile storage solution
A storage solution that addresses company growth and performance for business-critical applications of caseware archive and search along with other key operational systems.