CVE-2007-3896: Input Validation
First published: Thu Oct 11 2007(Updated: )
The URL handling in Shell32.dll in the Windows shell in Microsoft Windows XP and Server 2003, with Internet Explorer 7 installed, allows remote attackers to execute arbitrary programs via invalid "%" sequences in a mailto: or other URI handler, as demonstrated using mIRC, Outlook, Firefox, Adobe Reader, Skype, and other applications. NOTE: this issue might be related to other issues involving URL handlers in Windows systems, such as CVE-2007-3845. There also might be separate but closely related issues in the applications that are invoked by the handlers.
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 2003 Server | ||
| Microsoft Windows 2003 Server | ||
| Microsoft Windows 2003 Server | =sp1 | |
| Microsoft Windows 2003 Server | =sp2 | |
| Microsoft Windows 2003 Server | =sp2 | |
| Microsoft Windows 2003 Server | =sp2 | |
| Microsoft Windows XP | ||
| Microsoft Windows XP | =sp2 | |
| Microsoft Windows XP | =sp2 | |
| Internet Explorer | =7.0 |
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Reference Links
- http://blogs.zdnet.com/security/?p=577
- http://www.heise-security.co.uk/news/96982
- http://xs-sniper.com/blog/remote-command-exec-firefox-2005/
- http://marc.info/?l=bugtraq&m=119143780202107&w=2
- http://marc.info/?l=bugtraq&m=119144449915918&w=2
- http://marc.info/?l=bugtraq&m=119159924712561&w=2
- http://marc.info/?l=bugtraq&m=119168062128026&w=2
- http://marc.info/?l=bugtraq&m=119195904813505&w=2
- http://marc.info/?l=bugtraq&m=119194714125580&w=2
- http://marc.info/?l=full-disclosure&m=119171444628628&w=2
- http://marc.info/?l=full-disclosure&m=119159477404263&w=2
- http://marc.info/?l=full-disclosure&m=119168727402084&w=2
- http://marc.info/?l=full-disclosure&m=119170531020020&w=2
- http://marc.info/?l=full-disclosure&m=119175323322021&w=2
- http://marc.info/?l=full-disclosure&m=119180333805950&w=2
- http://www.microsoft.com/technet/security/advisory/943521.mspx
- http://www.kb.cert.org/vuls/id/403150
- http://secunia.com/advisories/26201
- http://www.us-cert.gov/cas/techalerts/TA07-317A.html
- http://www.securityfocus.com/bid/25945
- http://www.securitytracker.com/id?1018822
- http://securitytracker.com/id?1018831
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4581
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-061
- http://www.securityfocus.com/archive/1/484186/100/0/threaded
- http://www.securityfocus.com/archive/1/482437/100/0/threaded
- http://www.securityfocus.com/archive/1/482292/100/0/threaded
- http://www.securityfocus.com/archive/1/482090/100/0/threaded
- http://www.securityfocus.com/archive/1/481887/100/0/threaded
- http://www.securityfocus.com/archive/1/481881/100/0/threaded
- http://www.securityfocus.com/archive/1/481871/100/0/threaded
- http://www.securityfocus.com/archive/1/481867/100/0/threaded
- http://www.securityfocus.com/archive/1/481846/100/0/threaded
- http://www.securityfocus.com/archive/1/481839/100/0/threaded
- http://www.securityfocus.com/archive/1/481680/100/0/threaded
- http://www.securityfocus.com/archive/1/481671/100/0/threaded
- http://www.securityfocus.com/archive/1/481664/100/0/threaded
- http://www.securityfocus.com/archive/1/481624/100/0/threaded
- http://www.securityfocus.com/archive/1/481505/100/0/threaded
- http://www.securityfocus.com/archive/1/481493/100/100/threaded
Frequently Asked Questions
What is the severity of CVE-2007-3896?
CVE-2007-3896 is considered a critical vulnerability due to its ability to allow remote code execution.
How do I fix CVE-2007-3896?
To mitigate CVE-2007-3896, ensure that you apply the latest security patches provided by Microsoft.
What versions of Windows are affected by CVE-2007-3896?
CVE-2007-3896 affects Microsoft Windows XP and Windows Server 2003 with Internet Explorer 7 installed.
Can CVE-2007-3896 be exploited through email?
Yes, CVE-2007-3896 can be exploited via malicious mailto: links that utilize invalid '%' sequences.
What impact does CVE-2007-3896 have on affected systems?
CVE-2007-3896 can result in arbitrary code execution on the affected systems, posing a significant security risk.
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