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2.1
CVE-2005-4175: Insyde BIOS V190 may expose BIOS password in memory
CVE-2005-4175 · published 20 years ago
Summary
The Insyde BIOS version 190 leaves the entered password in memory after startup, so anyone with physical access to the computer can read it. This can let local administrators or users discover the BIOS password and change system settings. Apply the latest BIOS update from the vendor and restrict physical access to the machines.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| insyde | insyde_bios |
v190 cpe:2.3:a:insyde:insyde_bios:v190:*:*:*:*:*:*:* |
Original advisory text
Insyde BIOS V190 does not clear the keyboard buffer after reading the BIOS password during system startup, which allows local administrators or users to read the password directly from physical mem...
Insyde BIOS V190 does not clear the keyboard buffer after reading the BIOS password during system startup, which allows local administrators or users to read the password directly from physical memory.
References
- http://www.ivizsecurity.com/preboot-patch.html
- http://www.ivizsecurity.com/research/preboot/preboot_whitepaper.pdf
- http://www.kb.cert.org/vuls/id/847537 Third Party Advisory US Government Resource
- http://www.pulltheplug.org/users/endrazine/Bios.Information.Leakage.txt
- http://www.securityfocus.com/archive/1/419610/100/0/threaded
- http://www.securityfocus.com/bid/15751
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Severity
2.1
Low
Timeline
Published11 Dec 2005
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2005-4175 · NVD
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