// For flags

CVE-2015-4495

Mozilla Firefox Security Feature Bypass Vulnerability

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

Yes
*KEV

Decision

-
*SSVC
Descriptions

The PDF reader in Mozilla Firefox before 39.0.3, Firefox ESR 38.x before 38.1.1, and Firefox OS before 2.2 allows remote attackers to bypass the Same Origin Policy, and read arbitrary files or gain privileges, via vectors involving crafted JavaScript code and a native setter, as exploited in the wild in August 2015.

Vulnerabilidad en el lector de PDF en Mozilla Firefox en versiones anteriores a 39.0.3, Firefox ESR 38.x en versiones anteriores a 38.1.1 y Firefox OS en versiones anteriores a 2.2, permite a atacantes remotos eludir la Same Origin Policy y leer archivos arbitrarios u obtener privilegios a través de vectores que implican código JavaScript manipulado y un setter nativo, tal como se explotó activamente en agosto de 2015.

A flaw was discovered in Mozilla Firefox that could be used to violate the same-origin policy and inject web script into a non-privileged part of the built-in PDF file viewer (PDF.js). An attacker could create a malicious web page that, when viewed by a victim, could steal arbitrary files (including private SSH keys, the /etc/passwd file, and other potentially sensitive files) from the system running Firefox.

Moxilla Firefox allows remote attackers to bypass the Same Origin Policy to read arbitrary files or gain privileges.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2015-06-10 CVE Reserved
  • 2015-08-07 CVE Published
  • 2015-08-10 First Exploit
  • 2022-05-25 Exploited in Wild
  • 2022-06-15 KEV Due Date
  • 2024-07-15 EPSS Updated
  • 2024-08-06 CVE Updated
CWE
CAPEC
References (23)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mozilla
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Firefox
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< 39.0.3
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-
Affected
Mozilla
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Firefox Esr
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>= 38.0 < 38.1.1
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-
Affected
Mozilla
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Firefox Os
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< 2.2
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-
Affected
Oracle
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Solaris
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11.3
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-
Affected
Canonical
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Ubuntu Linux
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12.04
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-
Affected
Canonical
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Ubuntu Linux
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14.04
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esm
Affected
Canonical
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Ubuntu Linux
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15.04
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-
Affected
Redhat
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Enterprise Linux Desktop
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5.0
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-
Affected
Redhat
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Enterprise Linux Desktop
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6.0
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-
Affected
Redhat
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Enterprise Linux Desktop
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7.0
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-
Affected
Redhat
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Enterprise Linux Eus
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6.7
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-
Affected
Redhat
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Enterprise Linux Eus
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7.1
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-
Affected
Redhat
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Enterprise Linux Eus
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7.2
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-
Affected
Redhat
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Enterprise Linux Eus
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7.3
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-
Affected
Redhat
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Enterprise Linux Eus
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7.4
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-
Affected
Redhat
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Enterprise Linux Eus
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7.5
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-
Affected
Redhat
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Enterprise Linux Eus
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7.6
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-
Affected
Redhat
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Enterprise Linux Eus
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7.7
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-
Affected
Redhat
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Enterprise Linux Server
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5.0
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-
Affected
Redhat
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Enterprise Linux Server
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6.0
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-
Affected
Redhat
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Enterprise Linux Server
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7.0
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-
Affected
Redhat
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Enterprise Linux Server Aus
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7.3
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-
Affected
Redhat
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Enterprise Linux Server Aus
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7.4
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-
Affected
Redhat
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Enterprise Linux Server Aus
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7.6
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-
Affected
Redhat
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Enterprise Linux Server Aus
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7.7
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-
Affected
Redhat
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Enterprise Linux Server Tus
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7.3
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-
Affected
Redhat
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Enterprise Linux Server Tus
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7.6
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-
Affected
Redhat
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Enterprise Linux Server Tus
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7.7
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-
Affected
Redhat
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Enterprise Linux Workstation
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5.0
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-
Affected
Redhat
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Enterprise Linux Workstation
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6.0
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-
Affected
Redhat
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Enterprise Linux Workstation
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7.0
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-
Affected
Suse
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Linux Enterprise Debuginfo
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11
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sp1
Affected
Suse
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Linux Enterprise Debuginfo
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11
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sp2
Affected
Suse
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Linux Enterprise Debuginfo
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11
Search vendor "Suse" for product "Linux Enterprise Debuginfo" and version "11"
sp3
Affected
Suse
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Linux Enterprise Debuginfo
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11
Search vendor "Suse" for product "Linux Enterprise Debuginfo" and version "11"
sp4
Affected
Opensuse
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Opensuse
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13.1
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-
Affected
Opensuse
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Opensuse
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13.2
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-
Affected
Suse
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Linux Enterprise Desktop
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11
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sp3
Affected
Suse
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Linux Enterprise Desktop
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11
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sp4
Affected
Suse
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Linux Enterprise Desktop
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12
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-
Affected
Suse
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Linux Enterprise Server
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11
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sp1, ltss
Affected
Suse
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Linux Enterprise Server
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11
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sp2, ltss
Affected
Suse
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Linux Enterprise Server
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11
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sp3
Affected
Suse
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Linux Enterprise Server
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11
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sp3, vmware
Affected
Suse
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Linux Enterprise Server
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11
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sp4
Affected
Suse
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Linux Enterprise Server
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12
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-
Affected
Suse
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Linux Enterprise Software Development Kit
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11
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sp3
Affected
Suse
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Linux Enterprise Software Development Kit
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11
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sp4
Affected
Suse
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Linux Enterprise Software Development Kit
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12
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-
Affected