Adobe said Thursday that successful exploitation of the buffer overflowflaw could cause the application to crash and permit and attacker totake control of an affected system. The company said it plans to issuea patch by March 11 for version 9, and updates for versions 7 and 8 arescheduled to arrive soon after.
"Right now, we believe these files are only being used in a smaller set of targeted attacks," Adair wrote. "However, these types of attacks are frequently the most damaging and it is only a matter of time before this exploit ends up in every exploit pack on the internet."
Shadowserver founder and director André De Mino told SCMagazineUS.com on Friday that users often are easily tricked into opening PDF files.
Adobe said it is working with the major anti-virus providers so they can provide updated signatures for their customers.