CVE-2020-15655
published 2020-08-10CVE-2020-15655: A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of…
PriorityP430medium6.5CVSS 3.1
AVNACLPRNUIRSUCHINAN
EPSS
1.53%
71.7th percentile
A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Affected
18 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | firefox | < firefox 79.0-1 (sid) | firefox 79.0-1 (sid) |
| debian | thunderbird | < firefox 79.0-1 (sid) | firefox 79.0-1 (sid) |
| mozilla | firefox | < 79.0 | 79.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 79.0+build1-0ubuntu0.16.04.2 | 79.0+build1-0ubuntu0.16.04.2 |
| mozilla | firefox | >= 0 < 79.0+build1-0ubuntu0.18.04.1 | 79.0+build1-0ubuntu0.18.04.1 |
| mozilla | firefox | >= 0 < 79.0+build1-0ubuntu0.20.04.1 | 79.0+build1-0ubuntu0.20.04.1 |
| mozilla | firefox | >= unspecified < 79 | 79 |
| mozilla | firefox_esr | < 78.1 | 78.1 |
| mozilla | firefox_esr | >= unspecified < 78.1 | 78.1 |
| mozilla | thunderbird | < 78.1 | 78.1 |
| mozilla | thunderbird | >= 0 < 1:78.8.1+build1-0ubuntu0.18.04.1 | 1:78.8.1+build1-0ubuntu0.18.04.1 |
| mozilla | thunderbird | >= 0 < 1:78.7.1+build1-0ubuntu0.20.04.1 | 1:78.7.1+build1-0ubuntu0.20.04.1 |
| mozilla | thunderbird | >= unspecified < 78.1 | 78.1 |
| opensuse | leap | — | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
vendor_ubuntu6.5MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2020-07-29·CVSS 6.5
CVE-2020-15652 [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, obtain sensitive
information, bypass iframe sandbox restrictions, confuse the user, or
execute arbitrary code. (CVE-2020-6463, CVE-2020-6514, CVE-2020-15652,
CVE-2020-15653, CVE-2020-15654, CVE-2020-15656, CVE-2020-15658,
CVE-2020-15659)
It was discovered that redirected HTTP requests which are observed or
modified through a web extension could bypass existing CORS checks. If a
user were tricked in to installing a specially crafted extension, an
attacker could pote
Red Hat
Mozilla: Extension APIs could be used to bypass Same-Origin Policy
vendor_redhat·2020-07-28·CVSS 6.5
CVE-2020-15655 [MEDIUM] CWE-829 Mozilla: Extension APIs could be used to bypass Same-Origin Policy
Mozilla: Extension APIs could be used to bypass Same-Origin Policy
A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Package: firefox (Red Hat Enterprise Linux 5) - Not affected
Package: thunderbird (Red Hat Enterprise Linux 5) - Not affected
Package: firefox (Red Hat Enterprise Linux 6) - Not affected
Package: thunderbird (Red Hat Enterprise Linux 6) - Not affected
Package: firefox (Red Hat Enterprise Linux 7) - Not affected
Package: thunderbird (Red Hat Enterprise Linux 7) - Not affected
Package: firefox (Red Hat Enterprise Linux 8) - Not affected
Package: thunderbird (Re
Debian
CVE-2020-15655: firefox - A redirected HTTP request which is observed or modified through a web extension ...
vendor_debian·2020·CVSS 6.5
CVE-2020-15655 [MEDIUM] CVE-2020-15655: firefox - A redirected HTTP request which is observed or modified through a web extension ...
A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Scope: local
sid: resolved (fixed in 79.0-1)
Mozilla
Mozilla Foundation Security Advisory 2020-32: CVE-2020-15655
vendor_mozilla·CVSS 6.5
CVE-2020-15655 [MEDIUM] Mozilla Foundation Security Advisory 2020-32: CVE-2020-15655
Mozilla Foundation Security Advisory 2020-32
CVE: CVE-2020-15655
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 78.1
Mozilla
Mozilla Foundation Security Advisory 2020-33: CVE-2020-15655
vendor_mozilla·CVSS 6.5
CVE-2020-15655 [MEDIUM] Mozilla Foundation Security Advisory 2020-33: CVE-2020-15655
Mozilla Foundation Security Advisory 2020-33
CVE: CVE-2020-15655
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 78.1
Mozilla
Mozilla Foundation Security Advisory 2020-30: CVE-2020-15655
vendor_mozilla·CVSS 6.5
CVE-2020-15655 [MEDIUM] Mozilla Foundation Security Advisory 2020-30: CVE-2020-15655
Mozilla Foundation Security Advisory 2020-30
CVE: CVE-2020-15655
Product: Firefox
Impact: high
Fixed in: Firefox 79
GHSA
GHSA-xjqq-782m-q873: A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of
ghsa_unreviewed·2022-05-24
CVE-2020-15655 [MEDIUM] CWE-200 GHSA-xjqq-782m-q873: A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of
A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
OSV
firefox vulnerabilities
osv·2020-07-29·CVSS 6.5
CVE-2020-6463 [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, obtain sensitive
information, bypass iframe sandbox restrictions, confuse the user, or
execute arbitrary code. (CVE-2020-6463, CVE-2020-6514, CVE-2020-15652,
CVE-2020-15653, CVE-2020-15654, CVE-2020-15656, CVE-2020-15658,
CVE-2020-15659)
It was discovered that redirected HTTP requests which are observed or
modified through a web extension could bypass existing CORS checks. If a
user were tricked in to installing a specially crafted extension, an
attacker could potentially exploit this to obtain sensitive information
across origins. (CVE-2020-15655)
OSV
CVE-2020-15655: A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of
osv·2020-07-29·CVSS 6.5
CVE-2020-15655 [MEDIUM] CVE-2020-15655: A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of
A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
No detection rules found.
No public exploits indexed.
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.htmlhttps://bugzilla.mozilla.org/show_bug.cgi?id=1645204https://usn.ubuntu.com/4443-1/https://www.mozilla.org/security/advisories/mfsa2020-30/https://www.mozilla.org/security/advisories/mfsa2020-32/https://www.mozilla.org/security/advisories/mfsa2020-33/http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.htmlhttps://bugzilla.mozilla.org/show_bug.cgi?id=1645204https://usn.ubuntu.com/4443-1/https://www.mozilla.org/security/advisories/mfsa2020-30/https://www.mozilla.org/security/advisories/mfsa2020-32/https://www.mozilla.org/security/advisories/mfsa2020-33/
2020-08-10
Published