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CVE-2009-2632

4.4 · MEDIUM

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…

Published Sep 8, 2009cmuCWE-119EPSS 0.48%

Overview

CVE-2009-2632 is a medium-severity vulnerability affecting cmu cyrus_imap_server. It was published on September 8, 2009 and has a CVSS 2.0 base score of 4.4 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from cmu. Update cyrus_imap_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refdovecot.org/list/dovecot-news/2009-September/000135.htmlReflists.apple.com/archives/security-announce/2010//Mar/msg00001.htmlReflists.opensuse.org/opensuse-security-announce/2009-10/msg00001.htmlRefsecunia.com/advisories/36629Refsecunia.com/advisories/36632Refsecunia.com/advisories/36698Refsecunia.com/advisories/36713Refsecunia.com/advisories/36904Refsupport.apple.com/kb/HT4077Refwww.debian.org/security/2009/dsa-1881

How CyberStrike helps

Frequently asked questions

What is CVE-2009-2632?

CVE-2009-2632 is a medium-severity vulnerability affecting cmu cyrus_imap_server. It was published on September 8, 2009 and has a CVSS 2.0 base score of 4.4 (MEDIUM).

How severe is CVE-2009-2632?

This vulnerability has a CVSS 2.0 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-2632?

Check the references section for vendor advisories and patches from cmu. Update cyrus_imap_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-2632?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-2632 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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