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ubuntucveUbuntu.comUB:CVE-2017-7843
HistoryJun 11, 2018 - 12:00 a.m.

CVE-2017-7843

2018-06-1100:00:00
ubuntu.com
ubuntu.com
10

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.006

Percentile

77.6%

When Private Browsing mode is used, it is possible for a web worker to
write persistent data to IndexedDB and fingerprint a user uniquely.
IndexedDB should not be available in Private Browsing mode and this stored
data will persist across multiple private browsing mode sessions because it
is not cleared when exiting. This vulnerability affects Firefox ESR <
52.5.2 and Firefox < 57.0.1.

OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchfirefox< 57.0.1+build2-0ubuntu0.17.10.1UNKNOWN
ubuntu18.04noarchfirefox< 57.0.1+build2-0ubuntu1UNKNOWN
ubuntu14.04noarchfirefox< 57.0.1+build2-0ubuntu0.14.04.1UNKNOWN
ubuntu16.04noarchfirefox< 57.0.1+build2-0ubuntu0.16.04.1UNKNOWN
ubuntu17.04noarchfirefox< 57.0.1+build2-0ubuntu0.17.04.1UNKNOWN

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.006

Percentile

77.6%