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CVE-2006-6171

Published: Nov 30, 2006Updated: Apr 23, 2026 Sources: CVE List NVD BDUNVD-CWE-Other
NVD MITRE
7.5CVSSHIGH
EPSS Score
9.3%
Top 5.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

ProFTPD 1.3.0a and earlier does not properly set the buffer size limit when CommandBufferSize is specified in the configuration file, which leads to an off-by-two buffer underflow. NOTE: in November 2006, the role of CommandBufferSize was originally associated with CVE-2006-5815, but this was an error stemming from a vague initial disclosure. NOTE: ProFTPD developers dispute this issue, saying that the relevant memory location is overwritten by assignment before further use within the affected function, so this is not a vulnerability

CVSS Vector Breakdown

AV:NAC:LAu:NC:PI:PA:P
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:PConfidentiality
Partial
I:PIntegrity
Partial
A:PAvailability
Partial
Open in CVSS calculator →

Weaknesses

NVD-CWE-Other

Affected Products

proftpdproftpd project
On-prem
Networking Infrastructure / network-management
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
n/an/a
proftpd projectoss-projectNetworking Infrastructureaka proftpd (professional ftp daemon), proftpd
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf

Exploitability

Official Patch Available

References

http://proftp.cvs.sourceforge.net/proftp/proftpd/src/main.c?r1=1.292&r2=1.293&sortby=date
proftp.cvs.sourceforge.net
http://secunia.com/advisories/23174
secunia.com
http://secunia.com/advisories/23179
secunia.com
and 15 more references View all →

Timeline

Published
Nov 30, 2006
Last Updated
Apr 23, 2026

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