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Mozilla Firefox / Opera information leak
updated since 16.02.2008
Published:27.02.2008
Source:
SecurityVulns ID:8697
Type:client
Threat Level:
5/10
Description:Error on BMP files displaying allows to read content of heap memory.
Affected:MOZILLA : Firefox 2.0
 MOZILLA : Thunderbird 2.0
 MOZILLA : SeaMonkey 1.1
 OPERA : Opera 9.50
CVE:CVE-2008-0420 (modules/libpr0n/decoders/bmp/nsBMPDecoder.cpp in Mozilla Firefox before 2.0.0.12, Thunderbird before 2.0.0.12, and SeaMonkey before 1.1.8 does not properly perform certain calculations related to the mColors table, which allows remote attackers to read portions of memory uninitialized via a crafted 8-bit bitmap (BMP) file that triggers an out-of-bounds read within the heap, as demonstrated using a CANVAS element; or cause a denial of service (application crash) via a crafted 8-bit bitmap file that triggers an out-of-bounds read. NOTE: the initial public reports stated that this affected Firefox in Ubuntu 6.06 through 7.10.)
Original documentdocumentMOZILLA, Mozilla Foundation Security Advisory 2008-07 (27.02.2008)
 documentGynvael Coldwind, [HISPASEC] FireFox 2.0.0.11 and Opera 9.50 beta Remote Memory Information Leak, FireFox 2.0.0.11 Remote Denial of Service (16.02.2008)

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