Packages
- 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, spoof the URL or
other browser chrome, obtain sensitive information, bypass Content
Security Policy (CSP) protections, or execute arbitrary code.
(CVE-2019-20503, CVE-2020-6805, CVE-2020-6806, CVE-2020-6807,
CVE-2020-6808, CVE-2020-6810, CVE-2020-6812, CVE-2020-6813, CVE-2020-6814,
CVE-2020-6815)
It was discovered that Web Extensions with the all-url permission could
access...
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, spoof the URL or
other browser chrome, obtain sensitive information, bypass Content
Security Policy (CSP) protections, or execute arbitrary code.
(CVE-2019-20503, CVE-2020-6805, CVE-2020-6806, CVE-2020-6807,
CVE-2020-6808, CVE-2020-6810, CVE-2020-6812, CVE-2020-6813, CVE-2020-6814,
CVE-2020-6815)
It was discovered that Web Extensions with the all-url permission could
access local files. If a user were tricked in to installing a specially
crafted extension, an attacker could potentially exploit this to obtain
sensitive information. (CVE-2020-6809)
It was discovered that the Devtools' 'Copy as cURL' feature did not fully
escape website-controlled data. If a user were tricked in to using the
'Copy as cURL' feature to copy and paste a command with specially crafted
data in to a terminal, an attacker could potentially exploit this to
execute arbitrary commands via command injection. (CVE-2020-6811)
Update instructions
After a standard system update you need to restart Firefox to make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 19.10 eoan | firefox – 74.0+build3-0ubuntu0.19.10.1 | ||
| 18.04 bionic | firefox – 74.0+build3-0ubuntu0.18.04.1 | ||
| 16.04 xenial | firefox – 74.0+build3-0ubuntu0.16.04.1 | ||
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.
References
- CVE-2020-6815
- CVE-2020-6814
- CVE-2020-6813
- CVE-2020-6812
- CVE-2020-6811
- CVE-2020-6810
- CVE-2020-6809
- CVE-2020-6808
- CVE-2020-6807
- CVE-2020-6806
- CVE-2020-6815
- CVE-2020-6814
- CVE-2020-6813
- CVE-2020-6812
- CVE-2020-6811
- CVE-2020-6810
- CVE-2020-6809
- CVE-2020-6808
- CVE-2020-6807
- CVE-2020-6806
- CVE-2020-6805
- CVE-2019-20503