FreeBSD : Cyrus IMAPd -- PARTIAL command out of bounds memory corruption (114d70f3-3d16-11d9-8818-008088034841)

This script is Copyright (C) 2005-2015 Tenable Network Security, Inc.


Synopsis :

The remote FreeBSD host is missing one or more security-related
updates.

Description :

Due to a bug within the argument parser of the partial command an
argument like 'body[p' will be wrongly detected as 'body.peek'.
Because of this the bufferposition gets increased by 10 instead of 5
and could therefore point outside the allocated memory buffer for the
rest of the parsing process. In imapd versions prior to 2.2.7 the
handling of 'body' or 'bodypeek' arguments was broken so that the
terminating ']' got overwritten by a '\0'. Combined the two problems
allow a potential attacker to overwrite a single byte of malloc()
control structures, which leads to remote code execution if the
attacker successfully controls the heap layout.

See also :

http://www.nessus.org/u?25075052
http://www.nessus.org/u?b66ff0c1

Solution :

Update the affected packages.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 18845 (freebsd_pkg_114d70f33d1611d98818008088034841.nasl)

Bugtraq ID:

CVE ID: CVE-2004-1012

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