Vulnerability Monitor

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CVE-2017-5456

A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message. This allows for read and write access to the local file system. This vulnerability affects Firefox ESR < 52.1 and Firefox < 53.

Published

2018-06-11T21:29:06.873

Last Modified

2025-11-25T17:50:16.803

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-732

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	redhat	enterprise_linux	7.0	Yes
Operating System	redhat	enterprise_linux_desktop	7.0	Yes
Operating System	redhat	enterprise_linux_server	7.0	Yes
Operating System	redhat	enterprise_linux_server_aus	7.3	Yes
Operating System	redhat	enterprise_linux_server_aus	7.4	Yes
Operating System	redhat	enterprise_linux_server_eus	7.3	Yes
Operating System	redhat	enterprise_linux_server_eus	7.4	Yes
Operating System	redhat	enterprise_linux_server_eus	7.5	Yes
Operating System	redhat	enterprise_linux_workstation	7.0	Yes
Application	mozilla	firefox	< 53.0	Yes
Application	mozilla	firefox	< 52.1.0	Yes

References

http://www.securityfocus.com/bid/97940 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1038320 Third Party Advisory, VDB Entry ([email protected])
https://access.redhat.com/errata/RHSA-2017:1106 Third Party Advisory ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1344415 Exploit, Issue Tracking, Patch, Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2017-10/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2017-12/ Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/97940 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1038320 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2017:1106 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.mozilla.org/show_bug.cgi?id=1344415 Exploit, Issue Tracking, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2017-10/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2017-12/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)