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FreeBSD : Cyrus IMAPd -- IMAPMAGICPLUS preauthentification overflow (816fdd8b-3d14-11d9-8818-008088034841)

critical Nessus Plugin ID 19004

Synopsis

The remote FreeBSD host is missing a security-related update.

Description

When the option imapmagicplus is activated on a server the PROXY and LOGIN commands suffer a standard stack overflow, because the username is not checked against a maximum length when it is copied into a temporary stack buffer. This bug is especially dangerous because it can be triggered before any kind of authentification took place.

Solution

Update the affected package.

See Also

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

http://www.nessus.org/u?561607ae

Plugin Details

Severity: Critical

ID: 19004

File Name: freebsd_pkg_816fdd8b3d1411d98818008088034841.nasl

Version: 1.14

Type: local

Published: 7/13/2005

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:cyrus-imapd, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 11/22/2004

Vulnerability Publication Date: 11/6/2004

Reference Information

CVE: CVE-2004-1011