Mozilla Browser Default HTA Handling Weakness

BID:9324

Info

Mozilla Browser Default HTA Handling Weakness

Bugtraq ID: 9324
Class: Design Error
CVE:
Remote: Yes
Local: No
Published: Sep 29 2003 12:00AM
Updated: Sep 29 2003 12:00AM
Credit: Discovery is credited to Bernd Heinze.
Vulnerable: Mozilla Browser 1.4.1
Mozilla Browser 1.4 b
Mozilla Browser 1.4 a
Mozilla Browser 1.4
+ Mandriva Linux Mandrake 9.2 amd64
 + Mandriva Linux Mandrake 9.2
Mozilla Browser 1.3.1
Mozilla Browser 1.3
Mozilla Browser 1.2.1
Mozilla Browser 1.2 Beta
Mozilla Browser 1.2 Alpha
Mozilla Browser 1.2
Mozilla Browser 1.1 Beta
Mozilla Browser 1.1 Alpha
Mozilla Browser 1.1
Mozilla Browser 1.0.2
+ Redhat Advanced Workstation for the Itanium Processor 2.1
+ Redhat Advanced Workstation for the Itanium Processor 2.1
+ Redhat Enterprise Linux AS 2.1 IA64
 + Redhat Enterprise Linux AS 2.1 IA64
 + Redhat Enterprise Linux AS 2.1
 + Redhat Enterprise Linux AS 2.1
 + Redhat Enterprise Linux ES 2.1 IA64
 + Redhat Enterprise Linux ES 2.1 IA64
 + Redhat Enterprise Linux ES 2.1
 + Redhat Enterprise Linux ES 2.1
 + Redhat Enterprise Linux WS 2.1 IA64
 + Redhat Enterprise Linux WS 2.1 IA64
 + Redhat Enterprise Linux WS 2.1
 + Redhat Enterprise Linux WS 2.1
 + Sun Linux 5.0.7
Mozilla Browser 1.0.1
Mozilla Browser 1.0 RC2
Mozilla Browser 1.0 RC1
- FreeBSD FreeBSD 4.5
- FreeBSD FreeBSD 4.4
- FreeBSD FreeBSD 4.3
- FreeBSD FreeBSD 4.2
- FreeBSD FreeBSD 4.1.1
Mozilla Browser 1.0
+ Mandriva Linux Mandrake 8.2 ppc
 + Mandriva Linux Mandrake 8.2
+ Redhat Linux 8.0 i386
 + Redhat Linux 8.0
Not Vulnerable: Mozilla Browser 1.5

Discussion

Mozilla Browser Default HTA Handling Weakness

Mozilla is prone to a security weakness in the default handling of HTML Application (HTA) files.

When vulnerable versions of Mozilla prompt a user when downloading HTA files, the default option is to open the file and then don't ask again in the future when handling this type of file. Users who are not aware that HTA files may contain hostile content may be tempted to select this option instead of just opting to save the file without opening it. This has the potential to create a false sense of security.

This is only an issue on Windows versions of the software.

Exploit / POC

Mozilla Browser Default HTA Handling Weakness

There is no exploit required.

Solution / Fix

Mozilla Browser Default HTA Handling Weakness

Solution:
This issue has been addressed in Mozilla 1.5.


Mozilla Browser 1.0 RC2

Mozilla Browser 1.0

Mozilla Browser 1.0 RC1

Mozilla Browser 1.0.1

Mozilla Browser 1.0.2

Mozilla Browser 1.1

Mozilla Browser 1.1 Alpha

Mozilla Browser 1.1 Beta

Mozilla Browser 1.2 Beta

Mozilla Browser 1.2 Alpha

Mozilla Browser 1.2

Mozilla Browser 1.2.1

Mozilla Browser 1.3

Mozilla Browser 1.3.1

Mozilla Browser 1.4 b

Mozilla Browser 1.4

Mozilla Browser 1.4 a

References

Mozilla Browser Default HTA Handling Weakness

References:

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