Ubuntu.comUB:CVE-2021-23982CVE-2021-23982
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS
Percentile
47.3%
Using techniques that built on the slipstream research, a malicious webpage
could have scanned both an internal network’s hosts as well as services
running on the user’s local machine utilizing WebRTC connections. This
vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird <
78.9.
Bugs
Notes
| Author | Note |
|---|---|
| tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | firefox | < 87.0+build3-0ubuntu0.18.04.2 | UNKNOWN |
| ubuntu | 20.04 | noarch | firefox | < 87.0+build3-0ubuntu0.20.04.2 | UNKNOWN |
| ubuntu | 20.10 | noarch | firefox | < 87.0+build3-0ubuntu0.20.10.1 | UNKNOWN |
| ubuntu | 21.04 | noarch | firefox | < 87.0+build3-0ubuntu1 | UNKNOWN |
| ubuntu | 21.10 | noarch | firefox | < 87.0+build3-0ubuntu1 | UNKNOWN |
| ubuntu | 22.04 | noarch | firefox | < 87.0+build3-0ubuntu1 | UNKNOWN |
| ubuntu | 22.10 | noarch | firefox | < 87.0+build3-0ubuntu1 | UNKNOWN |
| ubuntu | 23.04 | noarch | firefox | < 87.0+build3-0ubuntu1 | UNKNOWN |
| ubuntu | 23.10 | noarch | firefox | < 87.0+build3-0ubuntu1 | UNKNOWN |
| ubuntu | 24.04 | noarch | firefox | < 87.0+build3-0ubuntu1 | UNKNOWN |
References
launchpad.net/bugs/cve/CVE-2021-23982
nvd.nist.gov/vuln/detail/CVE-2021-23982
security-tracker.debian.org/tracker/CVE-2021-23982
ubuntu.com/security/notices/USN-4893-1
ubuntu.com/security/notices/USN-4995-1
ubuntu.com/security/notices/USN-4995-2
www.cve.org/CVERecord?id=CVE-2021-23982
www.mozilla.org/en-US/security/advisories/mfsa2021-10/#CVE-2021-23982
www.mozilla.org/en-US/security/advisories/mfsa2021-11/#CVE-2021-23982
www.mozilla.org/en-US/security/advisories/mfsa2021-12/#CVE-2021-23982
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS
Percentile
47.3%