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High severity · published Jun 11, 2018
CVE-2017-5454
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…
7.5
CVSS
2.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 53.0; before 52.1.0 · source: NVD
EL
Enterprise Linux · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.3; 7.4 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.3; 7.4; 7.5 · source: NVD
EL
Enterprise Linux Workstation · Redhat
6.0; 7.0 · source: NVD
TH
Thunderbird · Mozilla
before 52.1.0 · source: NVD
Affected product
FI
Firefox
Mozilla
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-5454
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-5454
Third Party Advisory
http://www.securityfocus.com/bid/97940
Third Party Advisory
http://www.securitytracker.com/id/1038320
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1106
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1201
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1349276
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-10/
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