HIGH
Mozilla: Web Extensions with the all-urls permission could access local files
Published Mar 25, 2020
7.5
HIGHCVSS 3.1
EPSS 1.48%
Description
When a Web Extension had the all-urls permission and made a fetch request with a mode set to 'same-origin', it was possible for the Web Extension to read local files. This vulnerability affects Firefox < 74.
Affected products
-
Affected
- ≥ unspecified, < 74
No data.
Red Hat Enterprise Linux 5
firefox
Out of support scope
Red Hat Enterprise Linux 6
firefox
Out of support scope
Red Hat Enterprise Linux 7
firefox
Will not fix
Red Hat Enterprise Linux 8
firefox
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox | Out of support scope | n/a |
| Red Hat Enterprise Linux 6 | firefox | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | firefox | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | firefox | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (1)
References (8)
- https://access.redhat.com/security/cve/CVE-2020-6809 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1420296 x_refsource_MISCPermissions RequiredVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1829343 Issue Tracking
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-27955 Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-6809
- https://www.cve.org/CVERecord?id=CVE-2020-6809
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-08/#CVE-2020-6809
- https://www.mozilla.org/security/advisories/mfsa2020-08/ x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2020-6809 | Vendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1420296 | x_refsource_MISCPermissions RequiredVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1829343 | Issue Tracking | |
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-27955 | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2020-6809 | ||
| https://www.cve.org/CVERecord?id=CVE-2020-6809 | ||
| https://www.mozilla.org/en-US/security/advisories/mfsa2020-08/#CVE-2020-6809 | ||
| https://www.mozilla.org/security/advisories/mfsa2020-08/ | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mozilla
Published Mar 25, 2020
Updated Aug 4, 2024
Reserved Jan 10, 2020
Link CVE-2020-6809
CISA Vulnrichment
No data
GitHub
No data