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    CVE-2019-18217

    ProFTPD before 1.3.6b and 1.3.7rc before 1.3.7rc2 allows remote unauthenticated denial-of-service due to incorrect handling of overly long commands because main.c in a child process enters an infinite loop.

    Published:Oct 21, 2019
    Last Modified:Nov 21, 2024
    EPS:Oct 21, 2019
    EPSS Score:0.02639
    CVSS Score:7.5

    Affected Products

    Vendor
    Proftpd
    Product
    Proftpd

    Exploits

    https://github.com/proftpd/proftpd/issues/846https://github.com/proftpd/proftpd/issues/846

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-63091 (CVSS 7.1) — ProFTPD before 1.3.9c and 1.3.10rc3 contains a signed integer overflow vulnerability in the mod_sftp module's …
    CVE-2026-63090 (CVSS 8.7) — ProFTPD before 1.3.9c and 1.3.10rc3 contains a heap-based buffer overflow vulnerability in the mod_sftp module…
    CVE-2026-53994 (CVSS 7.7) — ProFTPD mod_sftp contains a heap-based buffer overflow reachable by an authenticated SFTP user. The fxp_packet…
    CVE-2026-35025 (CVSS 8.6) — ProFTPD through 1.3.9b and 1.3.10rc2 contains an access control bypass vulnerability that allows authenticated…
    CVE-2026-44331 (CVSS 8.1) — In ProFTPD through 1.3.9a before 7666224, a SQL injection vulnerability in sqltab_fetch_clients_cb() in contri…
    CVE-2026-42167 (CVSS 8.1) — mod_sql in ProFTPD before 1.3.9a allows remote attackers to execute arbitrary code via a username, in scenario…
    CVE-2021-47865 (CVSS 8.7) — ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by cre…
    CVE-2010-20103 (CVSS 9.3) — A malicious backdoor was embedded in the official ProFTPD 1.3.3c source tarball distributed between November 2…
    CVE-2024-48651 (CVSS 7.5) — In ProFTPD through 1.3.8b before cec01cc, supplemental group inheritance grants unintended access to GID 0 bec…
    CVE-2023-51713 (CVSS 7.5) — make_ftp_cmd in main.c in ProFTPD before 1.3.8a has a one-byte out-of-bounds read, and daemon crash, because o…

    References

    http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html
    https://cert-portal.siemens.com/productcert/pdf/ssa-940889.pdf
    https://github.com/proftpd/proftpd/blob/1.3.6/NEWS
    https://github.com/proftpd/proftpd/blob/1.3.6/RELEASE_NOTES
    https://github.com/proftpd/proftpd/blob/master/NEWS
    https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES
    https://github.com/proftpd/proftpd/issues/846
    https://lists.debian.org/debian-lts-announce/2019/10/msg00036.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJDQRVZTILBX4BUCTIRKP2WBHDHDCJR5/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RB2FPAWDWXT5ALAFIC5Y3RSEMXSFL6H2/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YLRPYEEMQJVAXO2SXRGOQ4HBFEEPCNXG/
    https://seclists.org/bugtraq/2019/Nov/7
    https://security.gentoo.org/glsa/202003-35
    https://www.debian.org/security/2019/dsa-4559
    http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html
    https://cert-portal.siemens.com/productcert/pdf/ssa-940889.pdf
    https://github.com/proftpd/proftpd/blob/1.3.6/NEWS
    https://github.com/proftpd/proftpd/blob/1.3.6/RELEASE_NOTES
    https://github.com/proftpd/proftpd/blob/master/NEWS
    https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES
    https://github.com/proftpd/proftpd/issues/846
    https://lists.debian.org/debian-lts-announce/2019/10/msg00036.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJDQRVZTILBX4BUCTIRKP2WBHDHDCJR5/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RB2FPAWDWXT5ALAFIC5Y3RSEMXSFL6H2/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YLRPYEEMQJVAXO2SXRGOQ4HBFEEPCNXG/
    https://seclists.org/bugtraq/2019/Nov/7
    https://security.gentoo.org/glsa/202003-35
    https://www.debian.org/security/2019/dsa-4559

    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