On Tue, Jun 21, 2011 at 7:22 AM, Brad Hards <bradh@xxxxxxxxxxxxx> wrote: > On Sunday 19 June 2011 11:37:33 Stefan Kanthak wrote: >> soft Xpansion <www.soft-xpansion.com> distributes their (freeware) >> products "Perfect PDF 7 Master" and "Perfect PDF 7 Reader" (the >> current files are dated 2011-05-10) with OUTDATED and VULNERABLE >> Visual C++ 2008 runtime libraries VCRedist_x86.exe/VCRedist_x64.exe >> version 9.0.30729.17 of 2008-08-08. >> >> These libraries have been updated since then at least twice due to >> vulnerabilities, see >> <http://www.microsoft.com/technet/security/bulletin/MS09-035.mspx> >> and >> <http://www.microsoft.com/technet/security/bulletin/MS11-025.mspx> > Did you check if these vulnerabilities be exploited via this product? I'm not > suggesting that its OK to distribute outdated libs, just to understand the > risk a little more. You need to worry about more than just this product. If an attacker launches a vulnerable executable for which he has a vector (not necessarily this product), all he/she needs to do is set the current directory to the location of the flawed DLL. I believe it would succeed because so few actually set SafeDllSearchMode to enabled (from my auditing experience). See http://msdn.microsoft.com/en-us/library/ms682586%28VS.85%29.aspx. Jeff Jeff