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mozillaMozilla FoundationMFSA2006-22
HistoryApr 13, 2006 - 12:00 a.m.

CSS Letter-Spacing Heap Overflow Vulnerability — Mozilla

2006-04-1300:00:00
Mozilla Foundation
www.mozilla.org
15

CVSS2

9.3

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

EPSS

0.973

Percentile

99.9%

An anonymous researcher for TippingPoint and the Zero Day Initiative discovered an integer overflow triggered by the CSS letter-spacing property. This results in in under-allocating memory and ultimately a heap buffer overflow which could be exploited to run code of the attacker’s choice.

Affected configurations

Vulners
Node
mozillafirefoxRange<1.0.8
OR
mozillafirefoxRange<1.5.0.2
OR
mozillamozilla_suiteRange<1.7.13
OR
mozillaseamonkeyRange<1.0.1
OR
mozillathunderbirdRange<1.0.8
OR
mozillathunderbirdRange<1.5.0.2
VendorProductVersionCPE
mozillafirefox*cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozillamozilla_suite*cpe:2.3:a:mozilla:mozilla_suite:*:*:*:*:*:*:*:*
mozillaseamonkey*cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
mozillathunderbird*cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

CVSS2

9.3

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

EPSS

0.973

Percentile

99.9%