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Vulnerability record · CVE-2010-4652 · published 2 February 2011

CVE-2010-4652: Proftpd memory buffer overflow vulnerability

PProftpd · Proftpd

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.

6.8 CVSS 2.0 Medium EPSS 11% · top 4.2% CWE-119 · Memory buffer overflow
6.8CVSS 2.0 base score
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
22References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://bugs.proftpd.org/show_bug.cgi?id=3536 ExploitPatch
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 Vendor Advisory
http://www.vupen.com/english/advisories/2011/0331
https://bugzilla.redhat.com/show_bug.cgi?id=670170 ExploitPatch
http://bugs.proftpd.org/show_bug.cgi?id=3536 ExploitPatch
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 Vendor Advisory
http://www.vupen.com/english/advisories/2011/0331
https://bugzilla.redhat.com/show_bug.cgi?id=670170 ExploitPatch

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2010-4652), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.