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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. Home >> Browse Vulnerability Assessment Database >> Debian Local Security Checks >> [DSA229] DSA-229-1 imp Vulnerability Assessment Details
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[DSA229] DSA-229-1 imp |
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DSA-229-1 imp Detailed Explanation for this Vulnerability Assessment Jouko Pynnonen discovered a problem with IMP, a web based IMAP mail program. Using carefully crafted URLs a remote attacker is able to inject SQL code into SQL queries without proper user authentication. Even though results of SQL queries aren't directly readable from the screen, a possible hacker might update their mail signature to contain wanted query results and then view it on the preferences page of IMP. The impact of SQL injection depends heavily on the underlying database and its configuration. If PostgreSQL is used, it's possible to execute multiple complete SQL queries separated by semicolons. The database contains session id's so the attacker might hijack sessions of people currently logged in and read their mail. In the worst case, if the hordemgr user has the required privilege to use the COPY SQL command (found in PostgreSQL at least), a remote user may read or write to any file the database user (postgres) can. The attacker may then be able to run arbitrary shell commands by writing them to the postgres user's ~/.psqlrc they'd be run when the user starts the psql command which under some configurations happens regularly from a cron script. For the current stable distribution (woody) this problem has been fixed in version 2.2.6-5.1. For the old stable distribution (potato) this problem has been fixed in version 2.2.6-0.potato.5.1. For the unstable distribution (sid) this problem have been fixed in version 2.2.6-7. We recommend that you upgrade your IMP packages. Solution : http://www.debian.org/security/2003/dsa-229 Network Security Threat Level: High Networks Security ID: 6559 Vulnerability Assessment Copyright: This script is (C) 2005 Michel Arboi |
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