RHSA-2012:1459
Vulnerability from csaf_redhat - Published: 2012-11-13 14:00 - Updated: 2025-11-21 17:41Summary
Red Hat Security Advisory: nspluginwrapper security and bug fix update
Notes
Topic
Updated nspluginwrapper packages that fix one security issue and one bug
are now available for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having low
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.
Details
nspluginwrapper is a utility which allows 32-bit plug-ins to run in a
64-bit browser environment (a common example is Adobe's browser plug-in for
presenting proprietary Flash files embedded in web pages). It includes the
plug-in viewer and a tool for managing plug-in installations and updates.
It was not possible for plug-ins wrapped by nspluginwrapper to discover
whether the browser was running in Private Browsing mode. This flaw could
lead to plug-ins wrapped by nspluginwrapper using normal mode while they
were expected to run in Private Browsing mode. (CVE-2011-2486)
This update also fixes the following bug:
* When using the Adobe Reader web browser plug-in provided by the
acroread-plugin package on a 64-bit system, opening Portable Document
Format (PDF) files in Firefox could cause the plug-in to crash and a black
window to be displayed where the PDF should be. Firefox had to be restarted
to resolve the issue. This update implements a workaround in
nspluginwrapper to automatically handle the plug-in crash, so that users
no longer have to keep restarting Firefox. (BZ#869554)
All users of nspluginwrapper are advised to upgrade to these updated
packages, which upgrade nspluginwrapper to upstream version 1.4.4, and
correct these issues. After installing the update, Firefox must be
restarted for the changes to take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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},
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},
{
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{
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"vulnerabilities": [
{
"cve": "CVE-2011-2486",
"discovery_date": "2011-05-23T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "715384"
}
],
"notes": [
{
"category": "description",
"text": "nspluginwrapper before 1.4.4 does not properly provide access to NPNVprivateModeBool variable settings, which could prevent Firefox plugins from determining if they should run in Private Browsing mode and allow remote attackers to bypass intended access restrictions, as demonstrated using Flash.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "nspluginwrapper: NPNVprivateModeBool variable not forwarded",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2011-2486"
},
{
"category": "external",
"summary": "RHBZ#715384",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=715384"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2011-2486",
"url": "https://www.cve.org/CVERecord?id=CVE-2011-2486"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2011-2486",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2011-2486"
}
],
"release_date": "2011-03-25T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2012-11-13T14:00:00+00:00",
"details": "Before applying this update, make sure all previously-released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/knowledge/articles/11258",
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 2.6,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
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}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "nspluginwrapper: NPNVprivateModeBool variable not forwarded"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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