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    CVE-2017-2790

    When processing a record type of 0x3c from a Workbook stream from an Excel file (.xls), JustSystems Ichitaro Office trusts that the size is greater than zero, subtracts one from the length, and uses this result as the size for a memcpy. This results in a heap-based buffer overflow and can lead to code execution under the context of the application.

    Published:Feb 24, 2017
    Last Modified:Apr 20, 2025
    EPS:Feb 24, 2017
    EPSS Score:0.0118
    CVSS Score:8.8

    Affected Products

    Vendor
    Justsystems
    Product
    Ichitaro

    Exploits

    No exploit reference

    Related CVEs

    CVE-2017-2791 (CVSS 7.5) — JustSystems Ichitaro 2016 Trial contains a vulnerability that exists when trying to open a specially crafted P…
    CVE-2017-2789 (CVSS 8.8) — When copying filedata into a buffer, JustSystems Ichitaro Office 2016 Trial will calculate two values to deter…
    CVE-2014-7247 (CVSS 10) — Unspecified vulnerability in JustSystems Ichitaro 2008 through 2011; Ichitaro Government 6, 7, 2008, 2009, and…
    CVE-2014-2003 (CVSS 7.6) — JustSystems JUST Online Update, as used in Ichitaro through 2014 and other products, does not properly validat…
    CVE-2013-5990 (CVSS 9.3) — Unspecified vulnerability in JustSystems Ichitaro 2006 through 2011; Ichitaro Government 6, 7, and 2006 throug…
    CVE-2013-3644 (CVSS 10) — Unspecified vulnerability in JustSystems Ichitaro 2006 through 2013; Ichitaro Pro through 2; Ichitaro Governme…
    CVE-2013-0707 (CVSS 9.3) — Unspecified vulnerability in JustSystems Ichitaro 2006 and 2007, Ichitaro Government 2006 and 2007, Ichitaro P…
    CVE-2012-0269 (CVSS 9.3) — Buffer overflow in JustSystems Ichitaro 2011 Sou, Ichitaro 2006 through 2011, Ichitaro Government 2006 through…
    CVE-2012-1242 (CVSS 6.9) — Untrusted search path vulnerability in JustSystems Ichitaro 2011 Sou, Ichitaro 2006 through 2011, Ichitaro Gov…
    CVE-2011-1331 (CVSS 9.3) — JustSystems Ichitaro 2005 through 2011, Ichitaro Government 6, Ichitaro Government 2006 through 2010, Ichitaro…

    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