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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
SquirrelMail: Cross-site scripting and IMAP command injection
Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200603-09
(SquirrelMail: Cross-site scripting and IMAP command injection)
SquirrelMail does not validate the right_frame parameter in
webmail.php, possibly permiting frame replacement or cross-site
scripting (CVE-2006-0188). Martijn Brinkers and Scott Hughes discovered
that MagicHTML fails to handle certain input correctly, potentially
leading to cross-site scripting (only Internet Explorer,
CVE-2006-0195). Vicente Aguilera reported that the
sqimap_mailbox_select function did not strip newlines from the mailbox
or subject parameter, possibly permiting IMAP command injection
By exploiting the cross-site scripting vulnerabilities, an
attacker can execute arbitrary scripts running in the context of the
victim's browser. This could lead to a compromise of the user's webmail
account, cookie theft, etc. A remote attacker could exploit the IMAP
command injection to execute arbitrary IMAP commands on the configured
There is no known workaround at this time.
All SquirrelMail users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-client/squirrelmail-1.4.6"
Note: Users with the vhosts USE flag set should manually use
webapp-config to finalize the update.
Network Security Threat Level: Low
Networks Security ID:
Vulnerability Assessment Copyright: (C) 2006 Michel Arboi
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