TITLE:
SeaMonkey VCard Double-Free and "addSelectionListener" Vulnerabilities

SECUNIA ADVISORY ID:
SA20394

RELEASE DATE:
2006-06-02

VERIFY ADVISORY:
http://secunia.com/advisories/20394/

CRITICAL:
Highly critical

WHERE:
From remote

IMPACT:
System access

SOFTWARE:
Mozilla SeaMonkey 1.x

DESCRIPTION:
Two vulnerabilities have been reported in SeaMonkey, which potentially can be exploited by malicious people to compromise a user's system.

1) A double-free error within the processing of large VCards with invalid base64 characters may be exploited to execute arbitrary code.

2) An error in the processing of the addSelectionListener when handling notifications in certain situations can be exploited to execute arbitrary JavaScript code with escalated privileges.


SOLUTION:
Update to version 1.0.2.
http://www.mozilla.org/projects/seamonkey/


REPORTED BY CREDITS:
1) Masatoshi Kimura
2) moz_bug_r_a4


ORIGINAL ADVISORY:
1) http://www.mozilla.org/security/announce/2006/mfsa2006-40.html
2) http://www.mozilla.org/security/announce/2006/mfsa2006-43.html
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