CVE-2020-6809
published 2020-03-25CVE-2020-6809: 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…
PriorityP338high7.5CVSS 3.1
AVNACLPRNUINSUCHINAN
EPSS
1.43%
69.8th percentile
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
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 74.0-1 (sid) | firefox 74.0-1 (sid) |
| mozilla | firefox | < 74.0 | 74.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 74.0+build3-0ubuntu0.16.04.1 | 74.0+build3-0ubuntu0.16.04.1 |
| mozilla | firefox | >= 0 < 74.0+build3-0ubuntu0.18.04.1 | 74.0+build3-0ubuntu0.18.04.1 |
| mozilla | firefox | >= 0 < 74.0+build3-0ubuntu1 | 74.0+build3-0ubuntu1 |
| mozilla | firefox | >= unspecified < 74 | 74 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
osv7.5HIGH
vendor_debian7.5HIGH
vendor_redhat7.5HIGH
vendor_ubuntu6.5MEDIUM
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Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2020-03-11·CVSS 6.5
CVE-2019-20503 [MEDIUM] Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Firefox could be made to crash or run programs as your login if it
opened a malicious website.
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 attac
Red Hat
Mozilla: Web Extensions with the all-urls permission could access local files
vendor_redhat·2020-03-10·CVSS 7.5
CVE-2020-6809 [HIGH] CWE-552 Mozilla: Web Extensions with the all-urls permission could access local files
Mozilla: Web Extensions with the all-urls permission could access local files
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.
Package: firefox (Red Hat Enterprise Linux 5) - Out of support scope
Package: firefox (Red Hat Enterprise Linux 6) - Out of support scope
Package: firefox (Red Hat Enterprise Linux 7) - Will not fix
Package: firefox (Red Hat Enterprise Linux 8) - Will not fix
Debian
CVE-2020-6809: firefox - When a Web Extension had the all-urls permission and made a fetch request with a...
vendor_debian·2020·CVSS 7.5
CVE-2020-6809 [HIGH] CVE-2020-6809: firefox - When a Web Extension had the all-urls permission and made a fetch request with a...
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.
Scope: local
sid: resolved (fixed in 74.0-1)
Mozilla
Mozilla Foundation Security Advisory 2020-08: CVE-2020-6809
vendor_mozilla·CVSS 7.5
CVE-2020-6809 [HIGH] Mozilla Foundation Security Advisory 2020-08: CVE-2020-6809
Mozilla Foundation Security Advisory 2020-08
CVE: CVE-2020-6809
Product: Firefox
Impact: high
Fixed in: Firefox 74
GHSA
GHSA-2m96-7r2c-fq6j: 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 r
ghsa_unreviewed·2022-05-24
CVE-2020-6809 [MEDIUM] CWE-200 GHSA-2m96-7r2c-fq6j: 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 r
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.
OSV
firefox vulnerabilities
osv·2020-03-11·CVSS 6.5
CVE-2019-20503 [MEDIUM] firefox vulnerabilities
firefox vulnerabilities
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
OSV
CVE-2020-6809: 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 r
osv·2020-03-10·CVSS 7.5
CVE-2020-6809 [HIGH] CVE-2020-6809: 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 r
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.
No detection rules found.
No public exploits indexed.
2020-03-25
Published