TITLE:
abcmidi ABC Music File Handling Buffer Overflow Vulnerabilities

SECUNIA ADVISORY ID:
SA19826

VERIFY ADVISORY:
http://secunia.com/advisories/19826/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
abcMIDI
http://secunia.com/product/4395/

DESCRIPTION:
Erik Sjölund has reported some vulnerabilities in abc2midi, which can
be exploited by malicious people to compromise a user's system.

The vulnerabilities are caused due to various boundary errors in
"drawtune.c" and "yapstree.c" when processing ABC music files. This
can be exploited to cause a stack-based buffer overflow via a
specially crafted ABC music file.

The vulnerabilities affect version 2006-04-22. Other versions may
also be affected.

SOLUTION:
Do not process ABC music files originating from untrusted sources.

PROVIDED AND/OR DISCOVERED BY:
Erik Sjölund

ORIGINAL ADVISORY:
http://www.us.debian.org/security/2006/dsa-1043

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