Vulnerability Details

Mozilla Firefox Security Advisory (MFSA2018-20) - Linux

Published: 2021-11-08 15:21:25
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P

severity_vector=CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

severity_origin=NVD

severity_date=2018-12-06 14:50:00 +0000 (Thu, 06 Dec 2018)

Summary:
This host is missing a security update for Mozilla Firefox.

Detection Method:
Checks if a vulnerable Linux Distribution Package version is present on the target host.

Technical Details:
CVE-2018-12377: Use-after-free in refresh driver timers A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted while still in use. This results in a potentially exploitable crash. CVE-2018-12378: Use-after-free in IndexedDB A use-after-free vulnerability can occur when an IndexedDB index is deleted while still in use by JavaScript code that is providing payload values to be stored. This results in a potentially exploitable crash. CVE-2018-18499: Same-origin policy violation using meta refresh and performance.getEntries to steal cross-origin URLs A same-origin policy violation allowing the theft of cross-origin URL entries when using a meta http-equiv='refresh' on a page to cause a redirection to another site using performance.getEntries(). This is a same-origin policy violation and could allow for data theft. CVE-2018-12379: Out-of-bounds write with malicious MAR file When the Mozilla Updater opens a MAR format file which contains a very long item filename, an out-of-bounds write can be triggered, leading to a potentially exploitable crash. This requires running the Mozilla Updater manually on the local system with the malicious MAR file in order to occur. CVE-2017-16541: Proxy bypass using automount and autofs Browser proxy settings can be bypassed by using the automount feature with autofs to create a mount point on the local file system. Content can be loaded from this mounted file system directly using a file: URI, bypassing configured proxy settings. Note: this issue only affects OS X in default configurations. On Linux systems, autofs must be installed for the vulnerability to occur and Windows is not affected. CVE-2018-12381: Dragging and dropping Outlook email message results in page navigation Manually dragging and dropping an Outlook email message into the browser will trigger a page navigation when the message's mail columns are incorrectly interpreted as a URL. Note: this issue only affects Windows operating systems with Outlook installed. Other operating systems are not affected. CVE-2018-12382: Addressbar spoofing with javascript URI on Firefox for Android The displayed addressbar URL can be spoofed on Firefox for Android using a javascript: URI in concert with JavaScript to insert text before the loaded domain name, scrolling the loaded domain out of view to the right. This can lead to user confusion. This vulnerability only affects Firefox for Android. CVE-2018-12383: Setting a master password post-Firefox 58 does not delete unencrypted previously stored passwords If a user saved passwords before Firefox 58 and then later set a master password, an unencrypted copy of these passwords is still accessible. This is because the older stored password file was not deleted when the data was copied to a new format starting in Firefox 58. The new master password ... [Please see the references for more information on the vulnerabilities]

Affected Versions:
Firefox version(s) below 62.

Recommendations:
The vendor has released an update. Please see the reference(s) for more information.

Solution Type:
Vendor Patch

Detection Type:
Executable Unreliable

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2017-16541
https://nvd.nist.gov/vuln/detail/CVE-2018-12375
https://nvd.nist.gov/vuln/detail/CVE-2018-12376
https://nvd.nist.gov/vuln/detail/CVE-2018-12377
https://nvd.nist.gov/vuln/detail/CVE-2018-12378
https://nvd.nist.gov/vuln/detail/CVE-2018-12379
https://nvd.nist.gov/vuln/detail/CVE-2018-12381
https://nvd.nist.gov/vuln/detail/CVE-2018-12382
https://nvd.nist.gov/vuln/detail/CVE-2018-12383
https://nvd.nist.gov/vuln/detail/CVE-2018-18499

References:


https://www.mozilla.org/en-US/security/advisories/mfsa2018-20/
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1469309%2C1469914%2C1450989%2C1480092%2C1480517%2C1481093%2C1478575%2C1471953%2C1473161%2C1466991%2C1468738%2C1483120%2C1467363%2C1472925%2C1466577%2C1467889%2C1480521%2C1478849
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1478849%2C1433502%2C1480965%2C894215%2C1462693%2C1475431%2C1461027
https://bugzilla.mozilla.org/show_bug.cgi?id=1412081
https://bugzilla.mozilla.org/show_bug.cgi?id=1435319
https://bugzilla.mozilla.org/show_bug.cgi?id=1459383
https://bugzilla.mozilla.org/show_bug.cgi?id=1468523
https://bugzilla.mozilla.org/show_bug.cgi?id=1470260
https://bugzilla.mozilla.org/show_bug.cgi?id=1473113
https://bugzilla.mozilla.org/show_bug.cgi?id=1475775
https://bugzilla.mozilla.org/show_bug.cgi?id=1479311

Severity
High
CVSS Score
7.5
Published
2021-11-08
Modified
2021-11-15
Category
General

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