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CVE-2011-0762

The vsf_filename_passes_filter function in ls.c in vsftpd before 2.3.3 allows remote authenticated users to cause a denial of service (CPU consumption and process slot exhaustion) via crafted glob expressions in STAT commands in multiple FTP sessions, a different vulnerability than CVE-2010-2632.

Security Impact Summary

CVE-2011-0762 is a security vulnerability that . Impacting 6 products from vsftpd_project, from canonical, from fedoraproject and 3 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2011, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2011-03-02T20:00:01.770

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-400

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	vsftpd_project	vsftpd	< 2.3.3	Yes
Operating System	canonical	ubuntu_linux	6.06	Yes
Operating System	canonical	ubuntu_linux	8.04	Yes
Operating System	canonical	ubuntu_linux	9.10	Yes
Operating System	canonical	ubuntu_linux	10.04	Yes
Operating System	canonical	ubuntu_linux	10.10	Yes
Operating System	fedoraproject	fedora	13	Yes
Operating System	fedoraproject	fedora	14	Yes
Operating System	fedoraproject	fedora	15	Yes
Operating System	debian	debian_linux	5.0	Yes
Operating System	debian	debian_linux	6.0	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	opensuse	opensuse	11.2	Yes
Operating System	opensuse	opensuse	11.3	Yes
Operating System	opensuse	opensuse	11.4	Yes
Operating System	suse	linux_enterprise_server	9	Yes
Operating System	suse	linux_enterprise_server	10	Yes
Operating System	suse	linux_enterprise_server	10	Yes
Operating System	suse	linux_enterprise_server	11	Yes

References

ftp://vsftpd.beasts.org/users/cevans/untar/vsftpd-2.3.4/Changelog Broken Link ([email protected])
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=622741 Issue Tracking, Third Party Advisory ([email protected])
http://cxib.net/stuff/vspoc232.c Broken Link ([email protected])
http://jvn.jp/en/jp/JVN37417423/index.html Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055881.html Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055882.html Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055957.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html Mailing List, Third Party Advisory ([email protected])
http://marc.info/?l=bugtraq&m=133226187115472&w=2 Issue Tracking, Third Party Advisory ([email protected])
http://securityreason.com/achievement_securityalert/95 Exploit, Third Party Advisory ([email protected])
http://securityreason.com/securityalert/8109 Exploit, Third Party Advisory ([email protected])
http://www.debian.org/security/2011/dsa-2305 Third Party Advisory ([email protected])
http://www.exploit-db.com/exploits/16270 Exploit, Third Party Advisory, VDB Entry ([email protected])
http://www.kb.cert.org/vuls/id/590604 Broken Link ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2011:049 Third Party Advisory ([email protected])
http://www.redhat.com/support/errata/RHSA-2011-0337.html Third Party Advisory ([email protected])
http://www.securityfocus.com/archive/1/516748/100/0/threaded Third Party Advisory, VDB Entry ([email protected])
http://www.securityfocus.com/bid/46617 Exploit, Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id?1025186 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-1098-1 Third Party Advisory ([email protected])
http://www.vupen.com/english/advisories/2011/0547 Third Party Advisory ([email protected])
http://www.vupen.com/english/advisories/2011/0639 Third Party Advisory ([email protected])
http://www.vupen.com/english/advisories/2011/0668 Third Party Advisory ([email protected])
http://www.vupen.com/english/advisories/2011/0713 Third Party Advisory ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/65873 Third Party Advisory, VDB Entry ([email protected])
ftp://vsftpd.beasts.org/users/cevans/untar/vsftpd-2.3.4/Changelog Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=622741 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://cxib.net/stuff/vspoc232.c Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://jvn.jp/en/jp/JVN37417423/index.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055881.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055882.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055957.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=bugtraq&m=133226187115472&w=2 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securityreason.com/achievement_securityalert/95 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securityreason.com/securityalert/8109 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2011/dsa-2305 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.exploit-db.com/exploits/16270 Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.kb.cert.org/vuls/id/590604 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2011:049 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2011-0337.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/516748/100/0/threaded Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/46617 Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1025186 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-1098-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2011/0547 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2011/0639 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2011/0668 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2011/0713 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/65873 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For vsftpd_project's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.