CVE-2017-18187

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    CVE-2017-18187

    Published: 14 Feb 2018Last Modified: 27 Aug 2026

    Summary:

    Details: In ARM mbed TLS before 2.7.0, there is a bounds-check bypass through an integer overflow in PSK identity parsing in the ssl_parse_client_psk_identity() function in library/ssl_srv.c.

    References: https://usn.ubuntu.com/4267-1/, http://www.securityfocus.com/bid/103055, https://github.com/ARMmbed/mbedtls/blob/master/ChangeLog, https://security.gentoo.org/glsa/201804-19, https://www.debian.org/security/2018/dsa-4138, https://www.debian.org/security/2018/dsa-4147, https://github.com/ARMmbed/mbedtls/commit/83c9f495ffe70c7dd280b41fdfd4881485a3bc28

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -32605dc83042d737e715a685e53176388d73540e

    Affected versions

    mbedtls-2.7.0-rc1

    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-2017-18187 | CVE-DB