Description
Microsoft Windows Explorer (explorer.exe) allows user-assisted remote attackers to cause a denial of service (CPU consumption) via a certain PNG file with a large tEXt chunk that possibly triggers an integer overflow in PNG chunk size handling, as demonstrated by badlycrafted.png.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Microsoft Windows Explorer - '.png' Image Local Denial of Service EDB-30619 · dos · Jul 26, 2007 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20070925 Possible Windows Explorer bad PNG file preview integer overflow handling mailing-list
- 20070927 Re: Possible Windows Explorer bad PNG file preview integer overflow handling mailing-list
- 20070926 Re: Confirmed: Windows Explorer bad PNG file preview integer overflow handling mailing-list
- 20070927 Re: Re: Re: Confirmed: Windows Explorer bad PNG file preview integer overflow handling mailing-list
- 25816 vdb-entry
- 45521 vdb-entry
- 20070927 Re: Re: Re: Re: Confirmed: Windows Explorer bad PNG file preview integer overflow handling mailing-list