CVE-2016-9952

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    CVE-2016-9952

    Published: 12 Mar 2018Last Modified: 8 Jul 2026

    Summary:

    Details: The verify_certificate function in lib/vtls/schannel.c in libcurl 7.30.0 through 7.51.0, when built for Windows CE using the schannel TLS backend, makes it easier for remote attackers to conduct man-in-the-middle attacks via a crafted wildcard SAN in a server certificate, as demonstrated by "*.com."

    References: https://curl.haxx.se/CVE-2016-9952.patch, https://curl.haxx.se/docs/adv_20161221B.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 80d241046e404233537ff35efabb703a0668c7d5
    Fixed -None

    Affected versions

    curl-7_51_0

    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