Adobe advises of Flash flaw exploited via Excel docs

Share this article:

Adobe on Monday warned of a "critical" zero-day vulnerability in Flash Player that attackers currently are exploiting through Microsoft Excel files.

The flaw, which impacts Flash 10.2.152.33 and earlier versions, also impacts Reader and Acrobat because the authplay.dll component, which ships with the popular PDF software, is flawed, according to an Adobe blog post. Reader and Acrobat X 10.0.01 and earlier versions for Windows and Macintosh are affected.

Wendy Poland, a security response program manager at Adobe, said in the post that the company has fielded reports of attackers taking advantage of the vulnerability by embedding a malicious SWF (Flash) file in an XLS (Excel) document, delivered as an email attachment. The company is not aware of any exploits targeting Reader or Acrobat.

A patch is due March 21.

Roel Schouwenberg, senior anti-virus researcher at Kaspersky Lab, said he doesn't think Microsoft and Adobe should allow integration of their two products in this way. But he understands why attackers are taking advantage.

"This kind of structure is a perfect setup for targeted attacks," Schouwenberg wrote in a Monday blog post. "And not surprisingly, targeted attacks have indeed been reported...The reason why the attackers are using Excel as a delivery vehicle is simple. This way the attack can easily be delivered through email. So be extra cautious when you receive XLS files you didn't request."

Share this article:
You must be a registered member of SC Magazine to post a comment.

Sign up to our newsletters

TOP COMMENTS

More in News

Information sharing requires breaking down barriers, White House cyber guru says

Information sharing requires breaking down barriers, White House ...

The White House has advanced an agenda to promote and facilitate information sharing on security threats and vulnerabilities.

Worm variant of Android ransomware, Koler, spreads via SMS

Worm variant of Android ransomware, Koler, spreads via ...

Upon infection, the Koler variant will send an SMS message to all contacts in the device's address book.

Patch for Windows flaw can be bypassed, prompts temporary fix from Microsoft

Patch for Windows flaw can be bypassed, prompts ...

The Windows zero-day received a patch last week, but the fix can still be bypassed by crafty attackers.