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Courier Japanese Codeset Conversion Buffer Overflow Vulnerabilities
Secunia Advisory: SA11087
Release Date: 2004-03-11
Last Update: 2004-07-06
Popularity: 10,090 views

Critical:
Moderately critical
Impact: DoS
System access
Where: From remote
Solution Status: Vendor Patch

Software:Courier Mail Server 0.x
Courier-IMAP 2.x
SqWebMail 3.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Some vulnerabilities have been reported in Courier, which potentially can be exploited to cause a DoS (Denial of Service) or compromise a vulnerable system.

The vulnerabilities are reportedly caused due to boundary errors within the Shift-JIS ("shiftjis.c") and ISO2022JP ("iso2022jp.c") Japanese codeset converters when handling non-BMP (Basic Multilingual Plane) Unicode characters.

According to the developers, the Shift-JIS and ISO2022JP codeset mappings may be used by the IMAP and Webmail service but are not enabled by default.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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