CVE-2010-4652

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 11.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-02-02 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

ProFTPD: through 1.3.3; 1.2.0, 1.2.0-pre10, 1.2.0-pre9, 1.2.0-rc1, 1.2.0-rc2, 1.2.0-rc3 (+57)

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

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