CVE-2011-0762
Description
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Metasploit modules
OS impact
Fedora Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 15 | Affected | — |
| 14 | Affected | — |
| 13 | Affected | — |
SUSE Affected 6 releases
| Version | Status | Fixed in |
|---|---|---|
| 11.4 | Affected | — |
| 11.3 | Affected | — |
| 11.2 | Affected | — |
| 11 | Affected | — |
| 10 | Affected | — |
| 9 | Affected | — |
Ubuntu Affected 5 releases
| Version | Status | Fixed in |
|---|---|---|
| 10.10 | Affected | — |
| 10.04 | Affected | — |
| 9.10 | Affected | — |
| 8.04 | Affected | — |
| 6.06 | Affected | — |
Debian Mixed 8 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2.3.4-1 |
| sid | Fixed | 2.3.4-1 |
| forky | Fixed | 2.3.4-1 |
| bullseye | Fixed | 2.3.4-1 |
| bookworm | Fixed | 2.3.4-1 |
| 7.0 | Affected | — |
| 6.0 | Affected | — |
| 5.0 | Affected | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| vsftpd_project | vsftpd | {"endExcluding":"2.3.3"} | 2.3.3 |
References
- ftp://vsftpd.beasts.org/users/cevans/untar/vsftpd-2.3.4/Changelog
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=622741
- http://cxib.net/stuff/vspoc232.c
- http://jvn.jp/en/jp/JVN37417423/index.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055881.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055882.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055957.html
- http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html
- http://marc.info/?l=bugtraq&m=133226187115472&w=2
- http://securityreason.com/achievement_securityalert/95
- http://securityreason.com/securityalert/8109
- http://www.debian.org/security/2011/dsa-2305
- http://www.exploit-db.com/exploits/16270
- http://www.kb.cert.org/vuls/id/590604
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:049
- http://www.redhat.com/support/errata/RHSA-2011-0337.html
- http://www.securityfocus.com/archive/1/516748/100/0/threaded
- http://www.securityfocus.com/bid/46617
- http://www.securitytracker.com/id?1025186
- http://www.ubuntu.com/usn/USN-1098-1
- http://www.vupen.com/english/advisories/2011/0547
- http://www.vupen.com/english/advisories/2011/0639
- http://www.vupen.com/english/advisories/2011/0668
- http://www.vupen.com/english/advisories/2011/0713
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65873
CWEs
CWE-400
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.