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Publisher Name:          OpenPKG GmbH
Publisher Home:          http://openpkg.com/

Advisory Id (public):    OpenPKG-SA-2007.013
Advisory Type:           OpenPKG Security Advisory (SA)
Advisory Directory:      http://openpkg.com/go/OpenPKG-SA
Advisory Document:       http://openpkg.com/go/OpenPKG-SA-2007.013
Advisory Published:      2007-05-17 22:31 UTC

Issue Id (internal):     OpenPKG-SI-20070517.02
Issue First Created:     2007-05-17
Issue Last Modified:     2007-05-17
Issue Revision:          03
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Subject Name:            png
Subject Summary:         Portable Network Graphics (PNG) Image Format
                         Library
Subject Home:            http://www.libpng.org/pub/png/libpng.html
Subject Versions:        * <= 1.2.16

Vulnerability Id:        CVE-2007-2445
Vulnerability Scope:     global (not OpenPKG specific)

Attack Feasibility:      run-time
Attack Vector:           remote network
Attack Impact:           denial of service

Description:
    As confirmed by the vendor, a Denial of Service (DoS) vulnerability
    exists in the PNG [0] image format library libpng [1]. The bug is
    a NULL-pointer-dereference vulnerability involving palette images
    with a malformed "tRNS" PNG chunk, i.e., one with a bad CRC value.
    This bug can, at a minimum, cause crashes in applications simply by
    displaying a malformed image.

References:
    [0] http://www.libpng.org/pub/png/
    [1] http://www.libpng.org/pub/png/libpng.html
    [2] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2445
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Primary Package Name:    png
Primary Package Home:    http://openpkg.org/go/package/png

Corrected Distribution:  Corrected Branch: Corrected Package:
OpenPKG Enterprise       E1.0-SOLID        ghostscript-8.54-E1.0.1
OpenPKG Enterprise       E1.0-SOLID        png-1.2.12-E1.0.2
OpenPKG Community        CURRENT           ghostscript-8.57-20070516
OpenPKG Community        CURRENT           png-1.2.18-20070516
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____________________________________________________________________________

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