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    CVE-2019-17362

    In LibTomCrypt through 1.18.2, the der_decode_utf8_string function (in der_decode_utf8_string.c) does not properly detect certain invalid UTF-8 sequences. This allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) or read information from other memory locations via carefully crafted DER-encoded data.

    Published:Aug 10, 2019
    Last Modified:Nov 21, 2024
    EPS:Oct 9, 2019
    EPSS Score:0.00505
    CVSS Score:9.1

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Libtom
    Product
    Libtomcrypt

    Exploits

    https://github.com/libtom/libtomcrypt/issues/507https://github.com/libtom/libtomcrypt/issues/507

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

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    References

    http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00020.html
    http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00041.html
    https://github.com/libtom/libtomcrypt/issues/507
    https://github.com/libtom/libtomcrypt/pull/508
    https://lists.debian.org/debian-lts-announce/2019/10/msg00010.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/47YP5SXQ4RY6KMTK2HI5ZZR244XKRMCZ/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YU5OMCY3PX54YVI4FMNDEENHDJZJ3RJW/
    https://vuldb.com/?id.142995
    http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00020.html
    http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00041.html
    https://github.com/libtom/libtomcrypt/issues/507
    https://github.com/libtom/libtomcrypt/pull/508
    https://lists.debian.org/debian-lts-announce/2019/10/msg00010.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/47YP5SXQ4RY6KMTK2HI5ZZR244XKRMCZ/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YU5OMCY3PX54YVI4FMNDEENHDJZJ3RJW/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/47YP5SXQ4RY6KMTK2HI5ZZR244XKRMCZ/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/YU5OMCY3PX54YVI4FMNDEENHDJZJ3RJW/
    https://vuldb.com/?id.142995

    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