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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
MySQL: Insecure temporary file creation in mysqlhotcopy
Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200409-02
(MySQL: Insecure temporary file creation in mysqlhotcopy)
Jeroen van Wolffelaar discovered that the MySQL database hot copy utility
(mysqlhotcopy.sh), when using the scp method, uses temporary files with
predictable names. A malicious local user with write access to the /tmp
directory could create a symbolic link pointing to a file, which may then
be overwritten. In cases where mysqlhotcopy is run as root, a malicious
user could create a symlink to a critical file such as /etc/passwd and
cause it to be overwritten.
A local attacker could use this vulnerability to destroy other users' data
or corrupt and destroy system files, possibly leading to a denial of
There is no known workaround at this time.
All MySQL users should upgrade to the latest version:
# emerge sync
# emerge -pv ">=dev-db/mysql-4.0.20-r1"
# emerge ">=dev-db/mysql-4.0.20-r1"
Network Security Threat Level: Medium
Networks Security ID:
Vulnerability Assessment Copyright: (C) 2005 Michel Arboi
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