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    CVE-2020-8231

    Due to use of a dangling pointer, libcurl 7.29.0 through 7.71.1 can use the wrong connection when sending data.

    Published:Aug 19, 2020
    Last Modified:Nov 21, 2024
    EPS:Dec 14, 2020
    EPSS Score:0.00111
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Haxx
    Product
    Libcurl
    Vendor
    Oracle
    Product
    Communications Cloud Native Core Policy
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Siemens
    Product
    Sinec Infrastructure Network Services
    Vendor
    Splunk
    Product
    Universal Forwarder

    Exploits

    https://hackerone.com/reports/948876https://hackerone.com/reports/948876

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-129 Pointer Manipulation

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    References

    https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
    https://curl.haxx.se/docs/CVE-2020-8231.html
    https://hackerone.com/reports/948876
    https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
    https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
    https://security.gentoo.org/glsa/202012-14
    https://www.debian.org/security/2021/dsa-4881
    https://www.oracle.com/security-alerts/cpuapr2022.html
    https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
    https://curl.haxx.se/docs/CVE-2020-8231.html
    https://hackerone.com/reports/948876
    https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
    https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
    https://security.gentoo.org/glsa/202012-14
    https://www.debian.org/security/2021/dsa-4881
    https://www.oracle.com/security-alerts/cpuapr2022.html

    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