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Last updated: 5/25/2016 1:19:17 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2009-2632

Original release date: 09/08/2009
Last revised: 08/21/2010


Buffer overflow in the SIEVE script component (sieve/script.c), as used in cyrus-imapd in Cyrus IMAP Server 2.2.13 and 2.3.14, and Dovecot 1.0 before 1.0.4 and 1.1 before 1.1.7, allows local users to execute arbitrary code and read or modify arbitrary messages via a crafted SIEVE script, related to the incorrect use of the sizeof operator for determining buffer length, combined with an integer signedness error.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.4 MEDIUM
Impact Subscore: 6.4
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: FEDORA
Name: FEDORA-2009-9559
External Source: MLIST
Name: [Cyrus-CVS] 20090902 src/sieve by brong
External Source: BID
Name: 36377
External Source: CONFIRM
Name: http://support.apple.com/kb/HT4077
External Source: SUSE
Name: SUSE-SR:2009:016
External Source: MLIST
Name: [Dovecot-news] 20090914 Security holes in CMU Sieve plugin
External Source: BID
Name: 36296
Type: Patch Information
External Source: VUPEN
Name: ADV-2009-2641
External Source: CONFIRM
Name: https://bugzilla.andrew.cmu.edu/cgi-bin/cvsweb.cgi/src/sieve/script.c.diff?r1=1.62&r2=
External Source: DEBIAN
Name: DSA-1881
Type: Patch Information
External Source: APPLE
Name: APPLE-SA-2010-03-29-1
External Source: OVAL
Name: oval:org.mitre.oval:def:10082
External Source: OSVDB
Name: 58103
External Source: VUPEN
Name: ADV-2009-2559
Type: Advisory; Patch Information
External Source: UBUNTU
Name: USN-838-1
External Source: MLIST
Name: [Cyrus-CVS] 20090902 src/sieve by brong
External Source: MLIST
Name: [oss-security] 20090914 Re: CVE for recent cyrus-imap issue

References to Check Content

Identifier: oval:org.mitre.oval:def:10082
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Vulnerable software and versions

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Technical Details

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