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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.
Vulnerability Assessment Details
ProFTPD: Format string vulnerabilities
Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200508-02
(ProFTPD: Format string vulnerabilities)
"infamous42md" reported that ProFTPD is vulnerable to format
string vulnerabilities when displaying a shutdown message containing
the name of the current directory, and when displaying response
messages to the client using information retrieved from a database
A remote attacker could create a directory with a malicious name
that would trigger the format string issue if specific variables are
used in the shutdown message, potentially resulting in a Denial of
Service or the execution of arbitrary code with the rights of the user
running the ProFTPD server. A possible hacker with control over the database
contents could achieve the same result by introducing malicious
messages that would trigger the other format string issue when used in
Do not use the "%C", "%R", or "%U" in shutdown messages, and do
not set the "SQLShowInfo" directive.
All ProFTPD users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-ftp/proftpd-1.2.10-r7"
Network Security Threat Level: Medium
Networks Security ID:
Vulnerability Assessment Copyright: (C) 2005 Michel Arboi
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