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Last updated: 7/4/2015 7:48:01 AM

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Vulnerability Summary for CVE-2009-4117

Original release date: 11/30/2009
Last revised: 10/24/2012


Multiple stack-based buffer overflows in pdf_shade4.c in MuPDF before commit 20091125231942, as used in SumatraPDF before 1.0.1, allow remote attackers to cause a denial of service and possibly execute arbitrary code via a /Decode array for certain types of shading that are not properly handled by the (1) pdf_loadtype4shade, (2) pdf_loadtype5shade, (3) pdf_loadtype6shade, and (4) pdf_loadtype7shade functions. NOTE: some of these details are obtained from third party information.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 9.3 (HIGH) (AV:N/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: CONFIRM
Name: http://blog.kowalczyk.info/software/sumatrapdf/news.html
External Source: FULLDISC
Name: 20091128 MuPDF pdf_shade4.c multiple stack-based buffer overflows
External Source: VUPEN
Name: ADV-2009-3355
Type: Advisory
External Source: XF
Name: mupdf-pdfshade4c-bo(54441)

Technical Details

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