CVE-2021-29959
published 2021-06-24CVE-2021-29959: When a user has already allowed a website to access microphone and camera, disabling camera sharing would not fully prevent the website from re-enabling it…
PriorityP418medium4.3CVSS 3.1
AVNACLPRNUIRSUCNILAN
EPSS
0.84%
53.5th percentile
When a user has already allowed a website to access microphone and camera, disabling camera sharing would not fully prevent the website from re-enabling it without an additional prompt. This was only possible if the website kept recording with the microphone until re-enabling the camera. This vulnerability affects Firefox < 89.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 89.0-1 (sid) | firefox 89.0-1 (sid) |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 89.0+build2-0ubuntu0.18.04.2 | 89.0+build2-0ubuntu0.18.04.2 |
| mozilla | firefox | >= 0 < 89.0+build2-0ubuntu0.20.04.2 | 89.0+build2-0ubuntu0.20.04.2 |
| mozilla | firefox | >= 78.11.0 < 89.0 | 89.0 |
| mozilla | firefox | >= unspecified < 89 | 89 |
CVSS provenance
nvdv3.14.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
osv4.3MEDIUM
vendor_debian4.3MEDIUM
vendor_ubuntu4.3MEDIUM
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GHSA
GHSA-h8mp-p8xw-22g5: When a user has already allowed a website to access microphone and camera, disabling camera sharing would not fully prevent the website from re-enabli
ghsa_unreviewed·2022-05-24
CVE-2021-29959 [MEDIUM] CWE-862 GHSA-h8mp-p8xw-22g5: When a user has already allowed a website to access microphone and camera, disabling camera sharing would not fully prevent the website from re-enabli
When a user has already allowed a website to access microphone and camera, disabling camera sharing would not fully prevent the website from re-enabling it without an additional prompt. This was only possible if the website kept recording with the microphone until re-enabling the camera. This vulnerability affects Firefox < 89.
OSV
CVE-2021-29959: When a user has already allowed a website to access microphone and camera, disabling camera sharing would not fully prevent the website from re-enabli
osv·2021-06-02·CVSS 4.3
CVE-2021-29959 [MEDIUM] CVE-2021-29959: When a user has already allowed a website to access microphone and camera, disabling camera sharing would not fully prevent the website from re-enabli
When a user has already allowed a website to access microphone and camera, disabling camera sharing would not fully prevent the website from re-enabling it without an additional prompt. This was only possible if the website kept recording with the microphone until re-enabling the camera. This vulnerability affects Firefox < 89.
OSV
firefox vulnerabilities
osv·2021-06-02·CVSS 4.3
CVE-2021-29959 [MEDIUM] firefox vulnerabilities
firefox vulnerabilities
Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, re-enable
camera devices without an additional permission prompt, spoof the browser
UI, or execute arbitrary code. (CVE-2021-29959, CVE-2021-29961,
CVE-2021-29966, CVE-2021-29967)
It was discovered that filenames printed from private browsing mode were
incorrectly retained in preferences. A local attacker could potentially
exploit this to obtain sensitive information. (CVE-2021-29960)
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2021-06-02·CVSS 4.3
CVE-2021-29960 [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 into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, re-enable
camera devices without an additional permission prompt, spoof the browser
UI, or execute arbitrary code. (CVE-2021-29959, CVE-2021-29961,
CVE-2021-29966, CVE-2021-29967)
It was discovered that filenames printed from private browsing mode were
incorrectly retained in preferences. A local attacker could potentially
exploit this to obtain sensitive information. (CVE-2021-29960)
Instructions: After a standard system update you need to restart Firefox to make
Debian
CVE-2021-29959: firefox - When a user has already allowed a website to access microphone and camera, disab...
vendor_debian·2021·CVSS 4.3
CVE-2021-29959 [MEDIUM] CVE-2021-29959: firefox - When a user has already allowed a website to access microphone and camera, disab...
When a user has already allowed a website to access microphone and camera, disabling camera sharing would not fully prevent the website from re-enabling it without an additional prompt. This was only possible if the website kept recording with the microphone until re-enabling the camera. This vulnerability affects Firefox < 89.
Scope: local
sid: resolved (fixed in 89.0-1)
Mozilla
Mozilla Foundation Security Advisory 2021-23: CVE-2021-29959
vendor_mozilla·CVSS 4.3
CVE-2021-29959 [MEDIUM] Mozilla Foundation Security Advisory 2021-23: CVE-2021-29959
Mozilla Foundation Security Advisory 2021-23
CVE: CVE-2021-29959
Product: Firefox
Impact: moderate
Fixed in: Firefox 89
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=1395819https://security.gentoo.org/glsa/202107-09https://www.mozilla.org/security/advisories/mfsa2021-23/https://bugzilla.mozilla.org/show_bug.cgi?id=1395819https://security.gentoo.org/glsa/202107-09https://www.mozilla.org/security/advisories/mfsa2021-23/
2021-06-24
Published