CVE-2017-7523

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    CVE-2017-7523

    Published: 21 Jul 2017Last Modified: 8 Jul 2026

    Summary:

    Details: Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability in wcsxfrm/wcsxfrm_l functions resulting into denial-of-service by crashing the process or potential hijack of the process running with administrative privileges triggered by specially crafted input string.

    References: https://cygwin.com/ml/cygwin/2017-05/msg00149.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- d355bcd31dbdcd283c490b77652d5d9eac717e3c
    Fixed -None

    Affected versions

    1.7.10
    1.7.11
    1.7.12
    1.7.14
    1.7.15
    1.7.16
    1.7.17
    1.7.18
    1.7.19
    1.7.2
    1.7.21
    1.7.22
    1.7.23
    1.7.24
    1.7.25
    1.7.26
    1.7.27
    1.7.28
    1.7.29
    1.7.3
    1.7.31
    1.7.32
    1.7.33
    1.7.34
    1.7.35
    1.7.5
    1.7.7
    1.7.8
    1.7.9

    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