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TITLE:
B21Soft BASP21 SMTP Component CRLF Injection

SECUNIA ADVISORY ID:
SA24652

VERIFY ADVISORY:
http://secunia.com/advisories/24652/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
B21Soft BASP21
http://secunia.com/product/13775/
B21Soft BASP21 Pro 1.x
http://secunia.com/product/13776/

DESCRIPTION:
A vulnerability has been reported in B21Soft's BASP21, which can be
exploited by malicious people to send out unsolicited mail.

Input passed to certain functions within BSMTP.DLL is not properly
sanitised before being used to construct and send SMTP messages. This
can be exploited to e.g. send unsolicited mail to multiple users by
injecting arbitrary mail headers via CRLF sequences.

The vulnerability is reported in BASP21 2003.0211 edition and BASP21
Pro versions 1.0.702.27 and prior. Other versions and applications
that use BASP21 may also be affected.

SOLUTION:
Apply fix.
http://www.hi-ho.ne.jp/babaq/data/Bsmtp20070303.lzh

PROVIDED AND/OR DISCOVERED BY:
Sanaki Satoshi

ORIGINAL ADVISORY:
http://jvn.jp/jp/JVN%2386092776/index.html

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About:
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http://secunia.com/about_secunia_advisories/


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