F-Secure Security Bulletin FSC-2005-2
Limited Directory Traversal Vulnerability in F-Secure Anti-Virus for
Microsoft Exchange and F-Secure Internet Gatekeeper
| Date issued | 2005-11-02 | ||||||||||||||||
| Risk factor | Low/Medium (Low/Medium/High/Critical) | ||||||||||||||||
| Brief description | A limited directory traversal vulnerability can be exploited by bypassing the Web Console authentication. It is possible to gain a read access to a file on the local disk from allowed hosts. By default the connections are only allowed from the local host.
To solve the problem apply the appropriate hotfix. |
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| Software | F-Secure Anti-Virus for Microsoft Exchange and F-Secure Internet Gatekeeper | ||||||||||||||||
| Affected versions | F-Secure Anti-Virus for Microsoft Exchange 6.40 F-Secure Internet Gatekeeper 6.42, 6.41, 6.40 |
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| Affected platforms | All platforms supported by the affected products |
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| Issue: | A limited directory traversal vulnerability can be exploited by bypassing the Web Console authentication. It is possible to gain a read access to a file on the local disk from allowed hosts. By default the connections are only allowed from the local host.
To solve the problem apply the appropriate hotfix.
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| Products: | F-Secure Anti-Virus for Microsoft Exchange 6.40 F-Secure Internet Gatekeeper 6.42 |
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| Scenario 1: | Default configuration. Web Console is configured by default to accept connections only from the local host. | ||||||||||||||||
| Risk Factor: | Low
There is a possibility to exploit the limited directory traversal vulnerability from the local host.
To solve the problem apply the appropriate hotfix.
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| Scenario 2: | If Web Console is configured to allow connections from specific/trusted hosts. | ||||||||||||||||
| Risk Factor: | Low
There is a possibility to exploit the limited directory traversal vulnerability from those hosts that the connections are allowed from.
To solve the problem apply the appropriate hotfix.
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| Scenario 3: | If the Web Console is configured to allow connections from all hosts. | ||||||||||||||||
| Risk Factor: | Medium
There is a possibility to exploit the limited directory traversal vulnerability from all hosts.
To solve the problem apply the appropriate hotfix.
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| Products: | F-Secure Internet Gatekeeper 6.41, 6.40 | ||||||||||||||||
| Risk Factor: | Low
These versions contain the vulnerability but upgrading to the latest released versions and applying the hotfix will solve the issue.
F-Secure recommends upgrading to the latest released versions of the products: F-Secure Anti-Virus for Microsoft Exchange 6.40 and F-Secure Internet Gatekeeper 6.42.
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| Mitigating Factors: |
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| Patch Availability: | |||||||||||||||||
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| Credits: | We thank Mikko Korppi for bringing this issue to our attention. | ||||||||||||||||
| Revision History: | FSC-2005-2 - 2005-11-02 | ||||||||||||||||
Support: http://support.f-secure.com/enu/home/contactus/
Security: http://www.f-secure.com/security/
URL: http://www.f-secure.com/