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    CVE-2019-11779

    In Eclipse Mosquitto 1.5.0 to 1.6.5 inclusive, if a malicious MQTT client sends a SUBSCRIBE packet containing a topic that consists of approximately 65400 or more '/' characters, i.e. the topic hierarchy separator, then a stack overflow will occur.

    Published:Sep 19, 2019
    Last Modified:Nov 21, 2024
    EPS:Sep 19, 2019
    EPSS Score:0.03961
    CVSS Score:6.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Eclipse
    Product
    Mosquitto
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Opensuse
    Product
    Backports Sle
    Vendor
    Opensuse
    Product
    Leap

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-230 Serialized Data with Nested Payloads
    CAPEC-231 Oversized Serialized Data Payloads

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    References

    http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00077.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00008.html
    https://bugs.eclipse.org/bugs/show_bug.cgi?id=551160
    https://lists.debian.org/debian-lts-announce/2019/10/msg00035.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D4WMHIM64Q35NGTR6R3ILZUL4MA4ANB5/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFWQBNFTAVHPUYNGYO2TCPF5PCSWC2Z7/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWNVTFA2CKXERXRYPYE2YFTZP4GNBGYY/
    https://seclists.org/bugtraq/2019/Nov/25
    https://usn.ubuntu.com/4137-1/
    https://www.debian.org/security/2019/dsa-4570
    http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00077.html
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00008.html
    https://bugs.eclipse.org/bugs/show_bug.cgi?id=551160
    https://lists.debian.org/debian-lts-announce/2019/10/msg00035.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D4WMHIM64Q35NGTR6R3ILZUL4MA4ANB5/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFWQBNFTAVHPUYNGYO2TCPF5PCSWC2Z7/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWNVTFA2CKXERXRYPYE2YFTZP4GNBGYY/
    https://seclists.org/bugtraq/2019/Nov/25
    https://usn.ubuntu.com/4137-1/
    https://www.debian.org/security/2019/dsa-4570

    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