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    CVE-2020-25664

    In WriteOnePNGImage() of the PNG coder at coders/png.c, an improper call to AcquireVirtualMemory() and memset() allows for an out-of-bounds write later when PopShortPixel() from MagickCore/quantum-private.h is called. The patch fixes the calls by adding 256 to rowbytes. An attacker who is able to supply a specially crafted image could affect availability with a low impact to data integrity. This flaw affects ImageMagick versions prior to 6.9.10-68 and 7.0.8-68.

    Published:Oct 4, 2019
    Last Modified:Nov 21, 2024
    EPS:Dec 8, 2020
    EPSS Score:0.00087
    CVSS Score:6.1

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Imagemagick
    Product
    Imagemagick

    Exploits

    https://bugzilla.redhat.com/show_bug.cgi?id=1891605https://bugzilla.redhat.com/show_bug.cgi?id=1891605

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High