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    CVE-2019-9894

    A remotely triggerable memory overwrite in RSA key exchange in PuTTY before 0.71 can occur before host key verification.

    Published:Mar 21, 2019
    Last Modified:Nov 21, 2024
    EPS:Mar 21, 2019
    EPSS Score:0.00939
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Netapp
    Product
    Oncommand Unified Manager
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Putty
    Product
    Putty

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.html
    http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.html
    https://lists.debian.org/debian-lts-announce/2019/04/msg00023.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36LWQ3NPFIV7DC7TC4KFPRYRH2OR7SZ2/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LDO3F267P347E6U2IILFCYW7JPTLCCES/
    https://seclists.org/bugtraq/2019/Apr/6
    https://security.netapp.com/advisory/ntap-20190404-0001/
    https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html
    https://www.debian.org/security/2019/dsa-4423
    http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.html
    http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.html
    https://lists.debian.org/debian-lts-announce/2019/04/msg00023.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36LWQ3NPFIV7DC7TC4KFPRYRH2OR7SZ2/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LDO3F267P347E6U2IILFCYW7JPTLCCES/
    https://seclists.org/bugtraq/2019/Apr/6
    https://security.netapp.com/advisory/ntap-20190404-0001/
    https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html
    https://www.debian.org/security/2019/dsa-4423

    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