Resource exhaustion in Vsftpd Project
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.0 (Medium). Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.739 (99.5th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.739 · newest: 0.739 · change: 0.000
Affected products
- Vsftpd Project
- Canonical Ubuntu Linux — versions 6.06, 8.04, 9.10
- Debian Linux — versions 5.0, 6.0, 7.0
- Fedoraproject Fedora — versions 13, 14, 15
- openSUSE — versions 11.2, 11.3, 11.4
- SUSE Linux Enterprise Server — versions 9, 10, 11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.fedoraproject.org/pipermail/package-announce/2011-March/055882.html (vendor-advisory, Third Party Advisory)
- marc.info/ (vendor-advisory, Third Party Advisory, Issue Tracking)
- lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html (vendor-advisory, Mailing List, Third Party Advisory)
- bugs.debian.org/cgi-bin/bugreport.cgi (Third Party Advisory, Issue Tracking)
- lists.fedoraproject.org/pipermail/package-announce/2011-March/055881.html (vendor-advisory, Third Party Advisory)
- www.vupen.com/english/advisories/2011/0639 (Third Party Advisory, vdb-entry)
- www.vupen.com/english/advisories/2011/0668 (Third Party Advisory, vdb-entry)
- www.debian.org/security/2011/dsa-2305 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/archive/1/516748/100/0/threaded (mailing-list, VDB Entry, Third Party Advisory)
- securityreason.com/securityalert/8109 (Exploit, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2011-0762?
- CVE-2011-0762 is a vulnerability in Vsftpd Project, classified under Uncontrolled Resource Consumption. Published 2011-03-02.
- Is CVE-2011-0762 known to be exploited?
- 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.