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    CVE-2020-9273

    In ProFTPD 1.3.7, it is possible to corrupt the memory pool by interrupting the data transfer channel. This triggers a use-after-free in alloc_pool in pool.c, and possible remote code execution.

    Published:Feb 20, 2020
    Last Modified:Nov 21, 2024
    EPS:Feb 20, 2020
    EPSS Score:0.46795
    CVSS Score:8.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Opensuse
    Product
    Backports Sle
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Proftpd
    Product
    Proftpd
    Vendor
    Siemens
    Product
    Simatic Net Cp 1543-1
    Vendor
    Siemens
    Product
    Simatic Net Cp 1543-1 Firmware
    Vendor
    Siemens
    Product
    Simatic Net Cp 1545-1
    Vendor
    Siemens
    Product
    Simatic Net Cp 1545-1 Firmware

    Exploits

    https://github.com/dukptkey/CVE-2020-9273https://github.com/ptef/CVE-2020-9273

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00002.html
    http://www.openwall.com/lists/oss-security/2021/08/25/1
    http://www.openwall.com/lists/oss-security/2021/09/06/2
    https://cert-portal.siemens.com/productcert/pdf/ssa-679335.pdf
    https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES
    https://github.com/proftpd/proftpd/issues/903
    https://lists.debian.org/debian-lts-announce/2020/02/msg00022.html
    https://lists.debian.org/debian-lts-announce/2020/03/msg00002.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VCUPRYSJR7XOM3HQ6H5M4OGDU7OHCHBF/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XHO3S5WPRRP7VGKIAHLYQVEYW5HRYIJN/
    https://security.gentoo.org/glsa/202003-35
    https://www.debian.org/security/2020/dsa-4635
    http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00002.html
    http://www.openwall.com/lists/oss-security/2021/08/25/1
    http://www.openwall.com/lists/oss-security/2021/09/06/2
    https://cert-portal.siemens.com/productcert/pdf/ssa-679335.pdf
    https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES
    https://github.com/proftpd/proftpd/issues/903
    https://lists.debian.org/debian-lts-announce/2020/02/msg00022.html
    https://lists.debian.org/debian-lts-announce/2020/03/msg00002.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VCUPRYSJR7XOM3HQ6H5M4OGDU7OHCHBF/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XHO3S5WPRRP7VGKIAHLYQVEYW5HRYIJN/
    https://security.gentoo.org/glsa/202003-35
    https://www.debian.org/security/2020/dsa-4635

    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