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AUSCERT External Security Bulletin Redistribution
ESB-2020.3328.2
USN-4546-1: Firefox vulnerabilities
19 October 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: Firefox
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Cross-site Scripting -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Provide Misleading Information -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2020-15678 CVE-2020-15677 CVE-2020-15676
CVE-2020-15675 CVE-2020-15674 CVE-2020-15673
Reference: ESB-2020.3290
ESB-2020.3287
ESB-2020.3246
ESB-2020.3245
Original Bulletin:
https://usn.ubuntu.com/4546-1/
https://usn.ubuntu.com/4546-2/
Comment: This bulletin contains two (2) Ubuntu security advisories.
Revision History: October 19 2020: USN-4546-2 addresses regressions
introduced in USN-4546-1
September 29 2020: Initial Release
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USN-4546-2: Firefox regressions
15 October 2020
USN-4546-1 caused some minor regressions in Firefox.
Releases
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Packages
o firefox - Mozilla Open Source web browser
Details
USN-4546-1 fixed vulnerabilities in Firefox. The update introduced various
minor regressions. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, conduct cross-site
scripting (XSS) attacks, spoof the site displayed in the download dialog,
or execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o firefox - 81.0.2+build1-0ubuntu0.20.04.1
Ubuntu 18.04
o firefox - 81.0.2+build1-0ubuntu0.18.04.1
Ubuntu 16.04
o firefox - 81.0.2+build1-0ubuntu0.16.04.1
After a standard system update you need to restart Firefox to make
all the necessary changes.
References
o https://launchpad.net/bugs/1900032
- --------------------------------------------------------------------------------
USN-4546-1: Firefox vulnerabilities
28 September 2020
Firefox could be made to crash or run programs as your login if it
opened a malicious website.
Releases
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Packages
o firefox - Mozilla Open Source web browser
Details
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, conduct cross-site
scripting (XSS) attacks, spoof the site displayed in the download dialog,
or execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o firefox - 81.0+build2-0ubuntu0.20.04.1
Ubuntu 18.04
o firefox - 81.0+build2-0ubuntu0.18.04.1
Ubuntu 16.04
o firefox - 81.0+build2-0ubuntu0.16.04.1
After a standard system update you need to restart Firefox to make
all the necessary changes.
References
o CVE-2020-15673
o CVE-2020-15674
o CVE-2020-15675
o CVE-2020-15676
o CVE-2020-15677
o CVE-2020-15678
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NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
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Previous advisories and external security bulletins can be retrieved from:
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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
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On call after hours for member emergencies only.
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The post ESB-2020.3328.2 – UPDATE [Ubuntu] Firefox: Multiple vulnerabilities appeared first on Malware Devil.
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