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Fencer Vulns
medium 6.6

CVE-2006-6563 json

Stack-based buffer overflow in the pr_ctrls_recv_request function in ctrls.c in the mod_ctrls module in ProFTPD before 1.3.1rc1 allows loca…

published 2006-12-15 19 y ago modified 2026-06-16 4 mo ago also EUVD-2006-6546

cvss
6.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
4
Exploit-DB

Summary

Stack-based buffer overflow in the pr_ctrls_recv_request function in ctrls.c in the mod_ctrls module in ProFTPD before 1.3.1rc1 allows local users to execute arbitrary code via a large reqarglen length value.

Patch / fix

  • proftpd-dfsg Debian 14, Debian 13, Debian 12 1.3.0-17

debian advisories DEBIAN-CVE-2006-6563

Timeline

  1. First public exploit (EDB-394)
  2. Published

Exploit prediction

2.33% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-3333 ProFTPd 1.3.0/1.3.0a - 'mod_ctrls' 'support' Local Buffer Overflow (2) local, 2007-02-19
  • EDB-3330 ProFTPd 1.3.0/1.3.0a - 'mod_ctrls' 'support' Local Buffer Overflow (1) local, 2007-02-18
  • EDB-2928 ProFTPd 1.3.0a - 'mod_ctrls' 'support' Local Buffer Overflow (PoC) dos, 2006-12-13
  • EDB-394 ProFTPd - 'ftpdctl' 'pr_ctrls_connect' Local Overflow local, 2004-08-13
  • securityfocus.com http://www.securityfocus.com/bid/21587 referenced PoC, tagged "exploit" by a source, unverified
  • coresecurity.com http://www.coresecurity.com/?module=ContentMod&action=item&id=1594 referenced PoC, tagged "exploit" by a source, unverified
  • secunia.com http://secunia.com/advisories/23371 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.6 AV:L/AC:M/Au:S/C:C/I:C/A:C

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.