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CVE-2017-5456

Date: June 11, 2018

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.

Language: Unix

Severity Score

Related Resources (10)

http://www.securityfocus.com/bid/97940
https://access.redhat.com/errata/RHSA-2017:1106
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-5456
https://bugzilla.mozilla.org/show_bug.cgi?id=1344415
https://www.mozilla.org/security/advisories/mfsa2017-12/
https://www.mozilla.org/security/advisories/mfsa2017-10/
http://www.securitytracker.com/id/1038320
https://access.redhat.com/security/cve/CVE-2017-5456
https://nvd.nist.gov/vuln/detail/CVE-2017-5456
https://www.mend.io/vulnerability-database/CVE-2017-5456

Severity Score

Weakness Type (CWE)

Incorrect Permission Assignment for Critical Resource

CWE-732

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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