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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-3482
HistoryJul 05, 2023 - 10:15 a.m.

CVE-2023-3482

2023-07-0510:15:10
Debian Security Bug Tracker
security-tracker.debian.org
7
firefox
vulnerability
cookie storage
localstorage
tracking data
malicious websites
firefox < 115
unix

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

0.001 Low

EPSS

Percentile

39.5%

When Firefox is configured to block storage of all cookies, it was still possible to store data in localstorage by using an iframe with a source of ‘about:blank’. This could have led to malicious websites storing tracking data without permission. This vulnerability affects Firefox < 115.

OSVersionArchitecturePackageVersionFilename
Debian999allfirefox< 115.0-1firefox_115.0-1_all.deb

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

0.001 Low

EPSS

Percentile

39.5%