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alpinelinuxAlpine Linux Development TeamALPINE:CVE-2023-23603
HistoryJun 02, 2023 - 5:15 p.m.

CVE-2023-23603

2023-06-0217:15:10
Alpine Linux Development Team
security.alpinelinux.org
13
regular expressions
forbidden properties
style directives
external urls
data exfiltration
firefox
thunderbird
firefox esr
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

7.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

43.5%

Regular expressions used to filter out forbidden properties and values from style directives in calls to <code>console.log</code> weren’t accounting for external URLs. Data could then be potentially exfiltrated from the browser. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7.

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

7.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

43.5%