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ubuntucveUbuntu.comUB:CVE-2023-23604
HistoryJan 18, 2023 - 12:00 a.m.

CVE-2023-23604

2023-01-1800:00:00
ubuntu.com
ubuntu.com
20
systemprincipal object
domparser::parsefromsafestring
firefox < 109
web security checks

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

26.4%

A duplicate <code>SystemPrincipal</code> object could be created when
parsing a non-system html document via
<code>DOMParser::ParseFromSafeString</code>. This could have lead to
bypassing web security checks. This vulnerability affects Firefox < 109.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
mdeslaur starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

26.4%