Executive Summary

Summary
Title Firefox regressions
Informations
NameUSN-3918-4First vendor Publication2019-04-16
VendorUbuntuLast vendor Modification2019-04-16
Severity (Vendor) N/ARevisionN/A

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base ScoreN/AAttack RangeN/A
Cvss Impact ScoreN/AAttack ComplexityN/A
Cvss Expoit ScoreN/AAuthenticationN/A
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS

Summary:

USN-3918-1 caused a regression in Firefox.

Software Description: - firefox: Mozilla Open Source web browser

Details:

USN-3918-1 fixed vulnerabilities in Firefox. The update caused web compatibility and performance issues with some websites. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

テつ Multiple security issues were discovered in Firefox. If a user were テつ tricked in to opening a specially crafted website, an attacker could テつ potentially exploit these to cause a denial of service via application テつ crash, denial of service via successive FTP authorization prompts or modal テつ alerts, trick the user with confusing permission request prompts, obtain テつ sensitive information, conduct social engineering attacks, or execute テつ arbitrary code. (CVE-2019-9788, CVE-2019-9789, CVE-2019-9790, テつ CVE-2019-9791, CVE-2019-9792, CVE-2019-9795, CVE-2019-9796, CVE-2019-9797, テつ CVE-2019-9799, CVE-2019-9802, CVE-2019-9805, CVE-2019-9806, CVE-2019-9807, テつ CVE-2019-9808, CVE-2019-9809) テつ テつ A mechanism was discovered that removes some bounds checking for string, テつ array, or typed array accesses if Spectre mitigations have been disabled. テつ If a user were tricked in to opening a specially crafted website with テつ Spectre mitigations disabled, an attacker could potentially exploit this テつ to cause a denial of service, or execute arbitrary code. (CVE-2019-9793) テつ テつ It was discovered that Upgrade-Insecure-Requests was incorrectly enforced テつ for same-origin navigation. An attacker could potentially exploit this to テつ conduct man-in-the-middle (MITM) attacks. (CVE-2019-9803)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.10: テつ firefoxテつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ 66.0.3+build1-0ubuntu0.18.10.1

Ubuntu 18.04 LTS: テつ firefoxテつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ 66.0.3+build1-0ubuntu0.18.04.1

Ubuntu 16.04 LTS: テつ firefoxテつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ 66.0.3+build1-0ubuntu0.16.04.1

Ubuntu 14.04 LTS: テつ firefoxテつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ テつ 66.0.3+build1-0ubuntu0.14.04.1

After a standard system update you need to restart Firefox to make all the necessary changes.

References: テつ https://usn.ubuntu.com/usn/usn-3918-4 テつ https://usn.ubuntu.com/usn/usn-3918-1 テつ https://launchpad.net/bugs/1825051

Package Information: テつ https://launchpad.net/ubuntu/+source/firefox/66.0.3+build1-0ubuntu0.18.10.1 テつ https://launchpad.net/ubuntu/+source/firefox/66.0.3+build1-0ubuntu0.18.04.1 テつ https://launchpad.net/ubuntu/+source/firefox/66.0.3+build1-0ubuntu0.16.04.1 テつ https://launchpad.net/ubuntu/+source/firefox/66.0.3+build1-0ubuntu0.14.04.1

Original Source

Url : http://www.ubuntu.com/usn/USN-3918-4

Alert History

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0
DateInformations
2019-04-17 05:18:29
  • First insertion