CVE-2019-17021
Published: 8 January 2020
During the initialization of a new content process, a race condition occurs that can allow a content process to disclose heap addresses from the parent process. *Note: this issue only occurs on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.
Notes
| Author | Note |
|---|---|
| tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
firefox Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(Windows only)
|
| disco |
Not vulnerable
(Windows only)
|
|
| eoan |
Not vulnerable
(Windows only)
|
|
| focal |
Not vulnerable
(Windows only)
|
|
| groovy |
Not vulnerable
(Windows only)
|
|
| hirsute |
Not vulnerable
(Windows only)
|
|
| impish |
Not vulnerable
(Windows only)
|
|
| jammy |
Not vulnerable
(Windows only)
|
|
| kinetic |
Not vulnerable
(Windows only)
|
|
| lunar |
Not vulnerable
(Windows only)
|
|
| mantic |
Not vulnerable
(Windows only)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(72.0)
|
|
| xenial |
Not vulnerable
(Windows only)
|
|
|
mozjs38 Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| disco |
Does not exist
|
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
mozjs52 Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| disco |
Ignored
(end of life)
|
|
| eoan |
Ignored
(end of life)
|
|
| focal |
Needs triage
|
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
mozjs60 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| disco |
Ignored
(end of life)
|
|
| eoan |
Ignored
(end of life)
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
thunderbird Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(Windows only)
|
| disco |
Not vulnerable
(Windows only)
|
|
| eoan |
Not vulnerable
(Windows only)
|
|
| focal |
Not vulnerable
(Windows only)
|
|
| groovy |
Not vulnerable
(Windows only)
|
|
| hirsute |
Not vulnerable
(Windows only)
|
|
| impish |
Not vulnerable
(Windows only)
|
|
| jammy |
Not vulnerable
(Windows only)
|
|
| kinetic |
Not vulnerable
(Windows only)
|
|
| lunar |
Not vulnerable
(Windows only)
|
|
| mantic |
Not vulnerable
(Windows only)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(68.4.1)
|
|
| xenial |
Not vulnerable
(Windows only)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.3 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N |
References
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-01/#CVE-2019-17021
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-02/#CVE-2019-17021
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-04/#CVE-2019-17021
- https://bugzilla.mozilla.org/show_bug.cgi?id=1599008
- https://www.mozilla.org/security/advisories/mfsa2020-01/
- https://www.mozilla.org/security/advisories/mfsa2020-02/
- https://www.cve.org/CVERecord?id=CVE-2019-17021
- NVD
- Launchpad
- Debian