CVE-2017-7827

2017-11-1500:00:00

ubuntu.com

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.005

Percentile

75.6%

JSON

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)

Author

Note

tyhicks

mozjs contains a copy of the SpiderMonkey JavaScript engine

chrisccoulson

OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchfirefox< 57.0+build4-0ubuntu0.17.10.5UNKNOWN
ubuntu18.04noarchfirefox< 57.0.1+build2-0ubuntu1UNKNOWN
ubuntu18.10noarchfirefox< 57.0.1+build2-0ubuntu1UNKNOWN
ubuntu19.04noarchfirefox< 57.0.1+build2-0ubuntu1UNKNOWN
ubuntu19.10noarchfirefox< 57.0.1+build2-0ubuntu1UNKNOWN
ubuntu20.04noarchfirefox< 57.0.1+build2-0ubuntu1UNKNOWN
ubuntu20.10noarchfirefox< 57.0.1+build2-0ubuntu1UNKNOWN
ubuntu21.04noarchfirefox< 57.0.1+build2-0ubuntu1UNKNOWN
ubuntu21.10noarchfirefox< 57.0.1+build2-0ubuntu1UNKNOWN
ubuntu22.04noarchfirefox< 57.0.1+build2-0ubuntu1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	17.10	noarch	firefox	< 57.0+build4-0ubuntu0.17.10.5	UNKNOWN
ubuntu	18.04	noarch	firefox	< 57.0.1+build2-0ubuntu1	UNKNOWN
ubuntu	18.10	noarch	firefox	< 57.0.1+build2-0ubuntu1	UNKNOWN
ubuntu	19.04	noarch	firefox	< 57.0.1+build2-0ubuntu1	UNKNOWN
ubuntu	19.10	noarch	firefox	< 57.0.1+build2-0ubuntu1	UNKNOWN
ubuntu	20.04	noarch	firefox	< 57.0.1+build2-0ubuntu1	UNKNOWN
ubuntu	20.10	noarch	firefox	< 57.0.1+build2-0ubuntu1	UNKNOWN
ubuntu	21.04	noarch	firefox	< 57.0.1+build2-0ubuntu1	UNKNOWN
ubuntu	21.10	noarch	firefox	< 57.0.1+build2-0ubuntu1	UNKNOWN
ubuntu	22.04	noarch	firefox	< 57.0.1+build2-0ubuntu1	UNKNOWN