CVE-2017-7827
Published: 15 November 2017
Memory safety bugs were reported in Firefox 56. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 57.
Notes
| Author | Note |
|---|---|
| tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
| chrisccoulson | This is not fixed in mozjs52, but it's unclear whether it is unaffected or just ignored as the bugs are still private. Specifically, the following need investigating: - https://bugzilla.mozilla.org/show_bug.cgi?id=1403646 (https://hg.mozilla.org/releases/mozilla-release/rev/2f1496c1455f) - https://bugzilla.mozilla.org/show_bug.cgi?id=1403716 (can't find a changeset referencing it) - https://bugzilla.mozilla.org/show_bug.cgi?id=1402876 (https://hg.mozilla.org/releases/mozilla-release/rev/f06912ba5bb7) - https://bugzilla.mozilla.org/show_bug.cgi?id=1384121 (https://hg.mozilla.org/releases/mozilla-release/rev/05f6da3339b3, https://hg.mozilla.org/releases/mozilla-release/rev/eab55565955d) - https://bugzilla.mozilla.org/show_bug.cgi?id=1384615 (can't find a changeset referencing it) - https://bugzilla.mozilla.org/show_bug.cgi?id=1339485 (can't find a changeset referencing it) - https://bugzilla.mozilla.org/show_bug.cgi?id=1361432 (can't find a changeset referencing it) - https://bugzilla.mozilla.org/show_bug.cgi?id=1386490 (can't find a changeset referencing it) |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
firefox Launchpad, Ubuntu, Debian |
artful |
Released
(57.0+build4-0ubuntu0.17.10.5)
|
| bionic |
Released
(57.0.1+build2-0ubuntu1)
|
|
| cosmic |
Released
(57.0.1+build2-0ubuntu1)
|
|
| disco |
Released
(57.0.1+build2-0ubuntu1)
|
|
| eoan |
Released
(57.0.1+build2-0ubuntu1)
|
|
| focal |
Released
(57.0.1+build2-0ubuntu1)
|
|
| groovy |
Released
(57.0.1+build2-0ubuntu1)
|
|
| hirsute |
Released
(57.0.1+build2-0ubuntu1)
|
|
| impish |
Released
(57.0.1+build2-0ubuntu1)
|
|
| jammy |
Released
(57.0.1+build2-0ubuntu1)
|
|
| kinetic |
Released
(57.0.1+build2-0ubuntu1)
|
|
| lunar |
Released
(57.0.1+build2-0ubuntu1)
|
|
| trusty |
Released
(57.0+build4-0ubuntu0.14.04.4)
|
|
| upstream |
Released
(57.0)
|
|
| xenial |
Released
(57.0+build4-0ubuntu0.16.04.5)
|
|
| zesty |
Released
(57.0+build4-0ubuntu0.17.04.5)
|
|
|
mozjs38 Launchpad, Ubuntu, Debian |
artful |
Ignored
(reached end-of-life)
|
| bionic |
Needs triage
|
|
| cosmic |
Does not exist
|
|
| 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
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
| zesty |
Ignored
(reached end-of-life)
|
|
|
mozjs52 Launchpad, Ubuntu, Debian |
artful |
Ignored
(reached end-of-life)
|
| bionic |
Deferred
|
|
| cosmic |
Ignored
(reached end-of-life)
|
|
| disco |
Ignored
(reached end-of-life)
|
|
| eoan |
Ignored
(reached end-of-life)
|
|
| focal |
Deferred
|
|
| groovy |
Ignored
(reached end-of-life)
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
| zesty |
Does not exist
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |