CVE-2023-6865
Published: 20 December 2023
`EncryptingOutputStream` was susceptible to exposing uninitialized data. This issue could only be abused in order to write data to a local disk which may have implications for private browsing mode. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121.
Notes
| Author | Note |
|---|---|
| tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
| mdeslaur | starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
firefox Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of standard support)
|
| focal |
Released
(121.0+build1-0ubuntu0.20.04.1)
|
|
| jammy |
Not vulnerable
(code not present)
|
|
| lunar |
Ignored
(end of life, was needs-triage)
|
|
| mantic |
Not vulnerable
(code not present)
|
|
| noble |
Not vulnerable
(code not present)
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support)
|
|
|
mozjs102 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Does not exist
|
|
| jammy |
Ignored
|
|
| lunar |
Ignored
(end of life, was needs-triage)
|
|
| mantic |
Ignored
(end of life, was needs-triage)
|
|
| noble |
Ignored
|
|
| trusty |
Does not exist
|
|
| upstream |
Ignored
|
|
| xenial |
Does not exist
|
|
|
mozjs38 Launchpad, Ubuntu, Debian |
bionic |
Ignored
|
| focal |
Does not exist
|
|
| jammy |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| noble |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Ignored
|
|
| xenial |
Does not exist
|
|
|
mozjs52 Launchpad, Ubuntu, Debian |
bionic |
Ignored
|
| focal |
Ignored
|
|
| jammy |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| noble |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Ignored
|
|
| xenial |
Does not exist
|
|
|
mozjs68 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Ignored
|
|
| jammy |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| noble |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Ignored
|
|
| xenial |
Does not exist
|
|
|
mozjs78 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Does not exist
|
|
| jammy |
Ignored
|
|
| lunar |
Ignored
(end of life, was needs-triage)
|
|
| mantic |
Does not exist
|
|
| noble |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Ignored
|
|
| xenial |
Does not exist
|
|
|
mozjs91 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Does not exist
|
|
| jammy |
Ignored
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| noble |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Ignored
|
|
| xenial |
Does not exist
|
|
|
thunderbird Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of standard support)
|
| focal |
Not vulnerable
|
|
| jammy |
Not vulnerable
|
|
| lunar |
Ignored
(end of life, was needed)
|
|
| mantic |
Not vulnerable
|
|
| noble |
Not vulnerable
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
References
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-56/#CVE-2023-6865
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-54/#CVE-2023-6865
- https://bugzilla.mozilla.org/show_bug.cgi?id=1864123
- https://www.mozilla.org/security/advisories/mfsa2023-54/
- https://www.mozilla.org/security/advisories/mfsa2023-56/
- https://ubuntu.com/security/notices/USN-6562-1
- https://www.cve.org/CVERecord?id=CVE-2023-6865
- NVD
- Launchpad
- Debian