CVE-2020-25927

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    CVE-2020-25927

    Published: 18 Aug 2021Last Modified: 10 Mar 2026

    Summary:

    Details: The DNS feature in InterNiche NicheStack TCP/IP 4.0.1 is affected by: Out-of-bounds Read. The impact is: a denial of service (remote). The component is: DNS response processing in function: dns_upcall(). The attack vector is: a specific DNS response packet. The code does not check whether the number of queries/responses specified in the DNS packet header corresponds to the query/response data available in the DNS packet.

    References: http://www.iniche.com/source-code/networking-stack/nichestack.php, , https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/, https://www.kb.cert.org/vuls/id/608209

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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
    CVE-2020-25927 | CVE-DB