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TITLE:
Balsa "ir_fetch_seq()" Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA26947

VERIFY ADVISORY:
http://secunia.com/advisories/26947/

CRITICAL:
Less critical

IMPACT:
DoS, System access

WHERE:
>From remote

SOFTWARE:
Balsa 2.x
http://secunia.com/product/13762/

DESCRIPTION:
A vulnerability has been reported in Balsa, which potentially can be
exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary within the
"ir_fetch_seq()" function in libbalsa/imap/imap-handle.c when
handling an overly long reply to the "FETCH" command. This can be
exploited to cause a stack-based buffer overflow by tricking a user
into connecting to a malicious IMAP server.

The vulnerability is reported in versions prior to 2.3.20.

SOLUTION:
Update to version 2.3.20.

PROVIDED AND/OR DISCOVERED BY:
"Evil Ninja Squirrel"

ORIGINAL ADVISORY:
http://bugzilla.gnome.org/show_bug.cgi?id=474366

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