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    CVE-2010-4652

    Heap-based buffer overflow in the sql_prepare_where function (contrib/mod_sql.c) in ProFTPD before 1.3.3d, when mod_sql is enabled, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted username containing substitution tags, which are not properly handled during construction of an SQL query.

    Published:Feb 2, 2011
    Last Modified:Apr 11, 2025
    EPS:Feb 2, 2011
    EPSS Score:0.04514
    CVSS Score:6.8

    Affected Products

    Vendor
    Proftpd
    Product
    Proftpd

    Exploits

    http://bugs.proftpd.org/show_bug.cgi?id=3536https://bugzilla.redhat.com/show_bug.cgi?id=670170http://bugs.proftpd.org/show_bug.cgi?id=3536https://bugzilla.redhat.com/show_bug.cgi?id=670170

    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://bugs.proftpd.org/show_bug.cgi?id=3536
    http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053537.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053540.html
    http://phrack.org/issues.html?issue=67&id=7#article
    http://proftpd.org/docs/RELEASE_NOTES-1.3.3d
    http://www.debian.org/security/2011/dsa-2191
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:023
    http://www.securityfocus.com/bid/44933
    http://www.vupen.com/english/advisories/2011/0248
    http://www.vupen.com/english/advisories/2011/0331
    https://bugzilla.redhat.com/show_bug.cgi?id=670170
    http://bugs.proftpd.org/show_bug.cgi?id=3536
    http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053537.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053540.html
    http://phrack.org/issues.html?issue=67&id=7#article
    http://proftpd.org/docs/RELEASE_NOTES-1.3.3d
    http://www.debian.org/security/2011/dsa-2191
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:023
    http://www.securityfocus.com/bid/44933
    http://www.vupen.com/english/advisories/2011/0248
    http://www.vupen.com/english/advisories/2011/0331
    https://bugzilla.redhat.com/show_bug.cgi?id=670170

    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