CVE-2011-3640

Name: CVE-2011-3640
Creator: NVD / NIST
Published: 2011-10-28T02:49:53.13+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.40%

Last modified Jun 16, 2026

CVE-2011-3640 is a vulnerability of currently unknown severity. Untrusted search path vulnerability in Mozilla Network Security Services (NSS), as used in Google Chrome before 17 on Windows and Mac OS X, might allow local users to gain privileges via a Trojan horse pkcs11.txt file in a top-level directory. NOTE: the vendor's response was "Strange behavior, but we're not treating this as a security bug.". EPSS estimates a 1.40% chance of exploitation in the next 30 days.

Description

Untrusted search path vulnerability in Mozilla Network Security Services (NSS), as used in Google Chrome before 17 on Windows and Mac OS X, might allow local users to gain privileges via a Trojan horse pkcs11.txt file in a top-level directory. NOTE: the vendor's response was "Strange behavior, but we're not treating this as a security bug."

Metrics

EPSS Probability

1.40%

68.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-426

Affected Software

Vendor	Product	Versions
Google	Chrome	< 17.0

References

http://blog.acrossecurity.com/2011/10/google-chrome-pkcs11txt-file-planting.htmlExploit, Third Party Advisory
http://code.google.com/p/chromium/issues/detail?id=97426Exploit, Issue Tracking, Patch, Vendor Advisory
http://securityreason.com/securityalert/8483Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=641052Issue Tracking, Patch, Third Party Advisory
https://hermes.opensuse.org/messages/13154861Broken Link
https://hermes.opensuse.org/messages/13155432Broken Link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13414Third Party Advisory
http://blog.acrossecurity.com/2011/10/google-chrome-pkcs11txt-file-planting.htmlExploit, Third Party Advisory
http://code.google.com/p/chromium/issues/detail?id=97426Exploit, Issue Tracking, Patch, Vendor Advisory
http://securityreason.com/securityalert/8483Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=641052Issue Tracking, Patch, Third Party Advisory
https://hermes.opensuse.org/messages/13154861Broken Link
https://hermes.opensuse.org/messages/13155432Broken Link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13414Third Party Advisory

Timeline

Published: Oct 28, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-3640?

How severe is CVE-2011-3640?

Severity scoring for CVE-2011-3640 is pending analysis. The EPSS model estimates a 1.40% probability of exploitation in the next 30 days.

How do I fix CVE-2011-3640?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-3640?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST