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ubuntucveUbuntu.comUB:CVE-2012-4210
HistoryNov 21, 2012 - 12:00 a.m.

CVE-2012-4210

2012-11-2100:00:00
ubuntu.com
ubuntu.com
13

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.015 Low

EPSS

Percentile

87.1%

The Style Inspector in Mozilla Firefox before 17.0 and Firefox ESR 10.x
before 10.0.11 does not properly restrict the context of HTML markup and
Cascading Style Sheets (CSS) token sequences, which allows user-assisted
remote attackers to execute arbitrary JavaScript code with chrome
privileges via a crafted stylesheet.

Notes

Author Note
jdstrand xulrunner-1.9.2 unmaintained upstream (see README.mozilla for details)
micahg Firefox only per MFSA
OSVersionArchitecturePackageVersionFilename
ubuntu10.04noarchfirefox< 17.0+build2-0ubuntu0.10.04.1UNKNOWN
ubuntu11.10noarchfirefox< 17.0+build2-0ubuntu0.11.10.1UNKNOWN
ubuntu12.04noarchfirefox< 17.0+build2-0ubuntu0.12.04.1UNKNOWN
ubuntu12.10noarchfirefox< 17.0+build2-0ubuntu0.12.10.1UNKNOWN

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.015 Low

EPSS

Percentile

87.1%