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Fencer Intel
high 7.1

CVE-2011-3640 json

Untrusted search path vulnerability in Mozilla Network Security Services (NSS), as used in Google Chrome before 17 on Windows and Mac OS X,…

published 2011-10-28 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3599

cvss
7.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

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."

Patch / fix

  • google chrome 17.0
  • nss Debian 14, Debian 13, Debian 12 3.13.1.with.ckbi.1.88-1

debian advisories DEBIAN-CVE-2011-3640

  • mozilla-nss openSUSE Tumbleweed 3.26.2-1.1

opensuse advisories openSUSE-SU-2024:10451-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-3640 updated cvss 0.0

nss: /pkcs11.txt and /secmod.db files read on initialization

  • Red Hat Enterprise Linux 6 nss, nss-tools, nss-sysinit
    affected: no fix available
  • Red Hat Enterprise Linux 4 nss Red Hat Enterprise Linux 5 nss
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.40% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • code.google.com http://code.google.com/p/chromium/issues/detail?id=97426 referenced PoC, tagged "exploit" by a source, unverified
  • blog.acrossecurity.com http://blog.acrossecurity.com/2011/10/google-chrome-pkcs11txt-file-planting.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.1 AV:N/AC:H/Au:S/C:C/I:C/A:C

Classification

Weakness
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.