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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200403-06] Multiple remote buffer overflow vulnerabilities in Courier


Vulnerability Assessment Details

[GLSA-200403-06] Multiple remote buffer overflow vulnerabilities in Courier

Vulnerability Assessment Summary
Multiple remote buffer overflow vulnerabilities in Courier

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200403-06
(Multiple remote buffer overflow vulnerabilities in Courier)


The vulnerabilities have been found in the 'SHIFT_JIS' converter in
'shiftjis.c' and 'ISO2022JP' converter in 'so2022jp.c'. A possible hacker may
supply Unicode characters that exceed BMP (Basic Multilingual Plane) range,
causing an overflow.

Impact

A possible hacker without rights may exploit this vulnerability remotely, permiting arbitrary code to be executed in order to gain unauthorized access.

Workaround

While a workaround is not currently known for this issue, all users are
advised to upgrade to the latest version of the affected packages.

References:
http://www.securityfocus.com/bid/9845
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0224


Solution:
All users should upgrade to current versions of the affected packages:
# emerge sync
# emerge -pv ">=net-mail/courier-imap-3.0.0"
# emerge ">=net-mail/courier-imap-3.0.0"
# ** Or
depending on your installation... **
# emerge -pv ">=net-mail/courier-0.45"
# emerge ">=net-mail/courier-0.45"


Network Security Threat Level: Medium


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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