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    CVE-2019-20918

    An issue was discovered in InspIRCd 3 before 3.1.0. The silence module contains a use after free vulnerability. This vulnerability can be used for remote crashing of an InspIRCd server by any user able to fully connect to a server.

    Published:Sep 11, 2020
    Last Modified:Nov 21, 2024
    EPS:Sep 11, 2020
    EPSS Score:0.00797
    CVSS Score:6.5

    Affected Products

    Vendor
    Inspircd
    Product
    Inspircd

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2012-6696 (CVSS 9.8) — inspircd in Debian before 2.0.7 does not properly handle unsigned integers. NOTE: This vulnerability exists b…
    CVE-2015-6674 (CVSS 9.8) — Buffer underflow vulnerability in the Debian inspircd package before 2.0.5-1+deb7u1 for wheezy and before 2.0.…
    CVE-2016-7142 (CVSS 5.9) — The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authenticati…
    CVE-2015-8702 (CVSS 8.6) — The DNS::GetResult function in dns.cpp in InspIRCd before 2.0.19 allows remote DNS servers to cause a denial o…
    CVE-2012-1836 (CVSS 7.5) — Heap-based buffer overflow in dns.cpp in InspIRCd 2.0.5 might allow remote attackers to execute arbitrary code…
    CVE-2008-1925 (CVSS 5) — Buffer overflow in InspIRCd before 1.1.18, when using the namesx and uhnames modules, allows remote attackers …

    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