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Vulnerability record · CVE-2006-6563 · published 15 December 2006

CVE-2006-6563: Proftpd project proftpd vulnerability

PProftpd Project · Proftpd

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.

6.6 CVSS 2.0 Medium EPSS 2.4% · top 15.7%
6.6CVSS 2.0 base score
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
34References, 6 tagged exploit
16 Jun 2026Last modified by NVD

Description

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.

AV:L/AC:M/Au:S/C:C/I:C/A:C

Affected products

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

References

LinkTags
http://secunia.com/advisories/23371 ExploitPatchVendor Advisory
http://secunia.com/advisories/23392
http://secunia.com/advisories/23473
http://secunia.com/advisories/24163
http://security.gentoo.org/glsa/glsa-200702-02.xml
http://www.coresecurity.com/?module=ContentMod&action=item&id=1594 ExploitPatch
http://www.mandriva.com/security/advisories?name=MDKSA-2006:232
http://www.openpkg.com/security/advisories/OpenPKG-SA-2006.039.html
http://www.proftpd.org/docs/NEWS-1.3.1rc1
http://www.securityfocus.com/archive/1/454320/100/0/threaded
http://www.securityfocus.com/archive/1/460648/100/0/threaded
http://www.securityfocus.com/archive/1/460756/100/0/threaded
http://www.securityfocus.com/bid/21587 ExploitPatch
http://www.trustix.org/errata/2006/0074/
http://www.vupen.com/english/advisories/2006/4998
https://exchange.xforce.ibmcloud.com/vulnerabilities/30906
https://www.exploit-db.com/exploits/3330
http://secunia.com/advisories/23371 ExploitPatchVendor Advisory
http://secunia.com/advisories/23392
http://secunia.com/advisories/23473
http://secunia.com/advisories/24163
http://security.gentoo.org/glsa/glsa-200702-02.xml
http://www.coresecurity.com/?module=ContentMod&action=item&id=1594 ExploitPatch
http://www.mandriva.com/security/advisories?name=MDKSA-2006:232
http://www.openpkg.com/security/advisories/OpenPKG-SA-2006.039.html
http://www.proftpd.org/docs/NEWS-1.3.1rc1
http://www.securityfocus.com/archive/1/454320/100/0/threaded
http://www.securityfocus.com/archive/1/460648/100/0/threaded
http://www.securityfocus.com/archive/1/460756/100/0/threaded
http://www.securityfocus.com/bid/21587 ExploitPatch
http://www.trustix.org/errata/2006/0074/
http://www.vupen.com/english/advisories/2006/4998
https://exchange.xforce.ibmcloud.com/vulnerabilities/30906
https://www.exploit-db.com/exploits/3330

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Related vulnerabilities

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

10.0CVE-2006-5815ProFTPD sreplace stack buffer overflow allows remote code executionProFTPD 1.3.0 and earlier contains a stack-based buffer overflow in the sreplace function. A remote attacker, probably authenticated, can trigger the…EPSS 75%analysed10.0CVE-2003-0500Proftpd project proftpd vulnerabilitySQL injection vulnerability in the PostgreSQL authentication module (mod_sql_postgres) for ProFTPD before 1.2.9rc1 allows remote attackers to execute…EPSS 18%10.0CVE-1999-0911Proftpd project proftpd vulnerabilityBuffer overflow in ProFTPD, wu-ftpd, and beroftpd allows remote attackers to gain root access via a series of MKD and CWD commands that create nested…EPSS 38%10.0CVE-1999-0368Proftpd project proftpd vulnerabilityBuffer overflows in wuarchive ftpd (wu-ftpd) and ProFTPD lead to remote root access, a.k.a. palmetto.EPSS 40%9.0CVE-2003-0831ProFTPD ASCII mode newline handling buffer overflow allows remote code executionProFTPD 1.2.7 through 1.2.9rc2 fails to properly translate newline characters when transferring files in ASCII mode, resulting in a buffer overflow. …EPSS 57%analysed7.5CVE-2009-0542ProFTPD mod_sql SQL injection via percent character in usernameProFTPD Server 1.3.1 through 1.3.2rc2 contains a SQL injection flaw in mod_sql: a "%" character in the username introduces a single quote during vari…EPSS 74%analysed7.5CVE-2006-6170Proftpd project proftpd vulnerabilityBuffer overflow in the tls_x509_name_oneline function in the mod_tls module, as used in ProFTPD 1.3.0a and earlier, and possibly other products, allo…EPSS 18%7.5CVE-2006-6171Proftpd project proftpd vulnerabilityProFTPD 1.3.0a and earlier does not properly set the buffer size limit when CommandBufferSize is specified in the configuration file, which leads to …EPSS 10%

Source: NIST National Vulnerability Database (record CVE-2006-6563), CISA KEV, FIRST EPSS (scores of 2026-11-13). This page is refreshed as NVD updates the record.