57843 : Cyrus IMAP Server (cyrus-imapd) SIEVE Script Component (sieve/script.c) Crafted Script Handling Overflow
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Timeline

Disclosure Date
2009-09-02

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2009-2632" target="_blank">CVE</a>)</em> : 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.

Classification

Location: Local / Remote, Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Disclosure: Vendor Verified

Solution

Upgrade to version 2.2.13p1, 2.3.15 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Unknown or Incomplete

References

Tools & Filters

	45373

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 4.4
Source: nvd.nist.gov | Generated: 2009-09-09 | Disagree?

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