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    CVE-2021-21900

    A code execution vulnerability exists in the dxfRW::processLType() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dxf file can lead to a use-after-free vulnerability. An attacker can provide a malicious file to trigger this vulnerability.

    Published:Nov 19, 2021
    Last Modified:Nov 21, 2024
    EPS:Nov 19, 2021
    EPSS Score:0.00285
    CVSS Score:8.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Librecad
    Product
    Libdxfrw

    Exploits

    https://talosintelligence.com/vulnerability_reports/TALOS-2021-1351https://talosintelligence.com/vulnerability_reports/TALOS-2021-1351

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/
    https://security.gentoo.org/glsa/202305-26
    https://talosintelligence.com/vulnerability_reports/TALOS-2021-1351
    https://www.debian.org/security/2022/dsa-5077
    https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/
    https://security.gentoo.org/glsa/202305-26
    https://talosintelligence.com/vulnerability_reports/TALOS-2021-1351
    https://www.debian.org/security/2022/dsa-5077

    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