Adobe Systems Inc. has posted a workaround for a critical zero-day flaw in its widely-used programs for making and reading .pdf documents. Attackers could exploit the flaw to hijack Windows machines.
The flaw affects
The flaw specifically threatens those running Windows XP with Internet Explorer 7.
As a workaround, Adobe recommended users disable the "mailto:" option in Acrobat, Acrobat 3D 8 and Adobe Reader by "modifying the application options in the Windows registry. Additionally, these changes can be added to network deployments to Windows systems."
This isn't the first time Adobe users have faced a serious security threat. In January, security experts were rattled by the disclosure of easily-exploitable Adobe Reader flaws that could be used for cross-site scripting attacks and other mayhem.