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CVE-2017-5454

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Date: June 11, 2018

A mechanism to bypass file system access protections in the sandbox to use the file picker to access different files than those selected in the file picker through the use of relative paths. This allows for read only access to the local file system. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.

Language: Unix

Severity Score

Related Resources (12)

http://www.securityfocus.com/bid/97940
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-5454
https://www.mozilla.org/security/advisories/mfsa2017-13/
https://access.redhat.com/security/cve/CVE-2017-5454
https://access.redhat.com/errata/RHSA-2017:1106
https://bugzilla.mozilla.org/show_bug.cgi?id=1349276
https://www.mozilla.org/security/advisories/mfsa2017-12/
https://www.mozilla.org/security/advisories/mfsa2017-10/
https://nvd.nist.gov/vuln/detail/CVE-2017-5454
http://www.securitytracker.com/id/1038320
https://access.redhat.com/errata/RHSA-2017:1201
https://www.mend.io/vulnerability-database/CVE-2017-5454

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

Top Fix

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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): NONE
Availability (A): NONE

CVSS v2

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

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