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>> Dovecot "mbox_mailbox_open()" Zlib Plugin Arbitrary Mbox Disclosure Vulnerability
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Title : Dovecot "mbox_mailbox_open()" Zlib Plugin Arbitrary Mbox Disclosure Vulnerability
VUPEN ID : VUPEN/ADV-2007-1452
CVE ID : CVE-2007-2231
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-04-18
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A vulnerability has been identified in Dovecot, which could be exploited by malicious users to bypass security checks and gain knowledge of sensitive information. This issue is caused by an error in the "mbox_mailbox_open()" [lib-storage/index/mbox/mbox-storage.c] function that fails to properly validate mailbox names when the zlib plugin is enabled, which could be exploited by attackers to open other users' gzipped mbox files via a directory traversal attack.
Affected Products
Dovecot version 1.0.rc28 and prior
Solution
Upgrade to Dovecot version 1.0.rc29 or later :
http://dovecot.org/download.html
References
http://www.vupen.com/english/advisories/2007/1452
http://dovecot.org/doc/NEWS
Credits
Vulnerability reported by the vendor
ChangeLog
2007-04-18 : Initial release
Vulnerability Management
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