Cyrus IMAP Server Buffer Overflow in Sieve Component Lets Local Users Gain Elevated Privileges
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SecurityTracker Alert ID: 1022863 |
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SecurityTracker URL: http://securitytracker.com/id/1022863
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CVE Reference:
CVE-2009-2632
(Links to External Site)
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Date: Sep 9 2009
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Impact:
Execution of arbitrary code via local system, User access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 2.2.13, 2.3.14
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Description:
A vulnerability was reported in Cyrus IMAP Server. A local user can obtain elevated privileges on the target system.
A local user with the ability to create a SIEVE script can create a specially crafted SIEVE script that will trigger a buffer overflow and execute arbitrary code on the target system with elevated privileges. The local user can exploit this to read and modify arbitrary email messages on the target system.
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Impact:
A local user can obtain elevated privileges on the target system.
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Solution:
The vendor has issued a source code fix.
A patch is available at:
https://bugzilla.andrew.cmu.edu/cgi-bin/cvsweb.cgi/src/sieve/script.c.diff?r1=1.62&r2=1.62.2.1&only_with_tag=cyrus-imapd-2_2-tail
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Vendor URL: cyrusimap.web.cmu.edu/ (Links to External Site)
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Cause:
Boundary error
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Underlying OS:
Linux (Any), UNIX (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Tue, 8 Sep 2009 23:21:24 -0400
Subject: Cyrus IMAP Server
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Sieve component buffer overflow
CVE-2009-2632
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