Vulnerability CVE-2009-2632
Published: 2009-09-08   Modified: 2012-02-13

Description:
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.

CVSS2 => (AV:L/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.4/10
6.4/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
CMU -> Cyrus imap server 

 References:
http://dovecot.org/list/dovecot-news/2009-September/000135.html
http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html
http://support.apple.com/kb/HT4077
http://www.debian.org/security/2009/dsa-1881
http://www.openwall.com/lists/oss-security/2009/09/14/3
http://www.securityfocus.com/bid/36296
http://www.securityfocus.com/bid/36377
http://www.ubuntu.com/usn/USN-838-1
http://www.vupen.com/english/advisories/2009/2559
http://www.vupen.com/english/advisories/2009/2641
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
https://lists.andrew.cmu.edu/pipermail/cyrus-cvs/2009-September/001253.html
https://lists.andrew.cmu.edu/pipermail/cyrus-cvs/2009-September/001254.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10082
https://www.redhat.com/archives/fedora-package-announce/2009-September/msg00491.html
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