DansGuardian Hex Encoded File Extension URI Content Filter Bypass Vulnerability

BID:10823

Info

DansGuardian Hex Encoded File Extension URI Content Filter Bypass Vulnerability

Bugtraq ID: 10823
Class: Input Validation Error
CVE:
Remote: Yes
Local: No
Published: Jul 29 2004 12:00AM
Updated: Jul 29 2004 12:00AM
Credit: Ruben Molina <[email protected]> disclosed this vulnerability.
Vulnerable: Daniel Barron DansGuardian 2 2.8
Daniel Barron DansGuardian 2 2.7.3 -1
Daniel Barron DansGuardian 2 2.6.1 -5
Daniel Barron DansGuardian 2 2.4.5 -1
Daniel Barron DansGuardian 2 2.2.10
Daniel Barron DansGuardian 2 2.2.9 -1
Daniel Barron DansGuardian 2 2.2.9
Daniel Barron DansGuardian 2 2.2.8
Daniel Barron DansGuardian 2 2.2.7 -1
Daniel Barron DansGuardian 2 2.2.7
Daniel Barron DansGuardian 2 2.2.6
Daniel Barron DansGuardian 2 2.2.5
Daniel Barron DansGuardian 2 2.2.4
Not Vulnerable: Daniel Barron DansGuardian 2 2.8 .0.1

Discussion

DansGuardian Hex Encoded File Extension URI Content Filter Bypass Vulnerability

It is reported that DansGuardian contains a content filter bypass vulnerability when handling hex encoded file extensions in URIs.

Under some installations, this may violate security policy, or allow users to inadvertently access malicious web content.

Exploit / POC

DansGuardian Hex Encoded File Extension URI Content Filter Bypass Vulnerability

No exploit is required.

Solution / Fix

DansGuardian Hex Encoded File Extension URI Content Filter Bypass Vulnerability

Solution:
The vendor has released version 2.8.0.1 addressing this issue.


Daniel Barron DansGuardian 2 2.2.10

Daniel Barron DansGuardian 2 2.2.4

Daniel Barron DansGuardian 2 2.2.5

Daniel Barron DansGuardian 2 2.2.6

Daniel Barron DansGuardian 2 2.2.7

Daniel Barron DansGuardian 2 2.2.7 -1

Daniel Barron DansGuardian 2 2.2.8

Daniel Barron DansGuardian 2 2.2.9 -1

Daniel Barron DansGuardian 2 2.2.9

Daniel Barron DansGuardian 2 2.4.5 -1

Daniel Barron DansGuardian 2 2.6.1 -5

Daniel Barron DansGuardian 2 2.7.3 -1

Daniel Barron DansGuardian 2 2.8

References

DansGuardian Hex Encoded File Extension URI Content Filter Bypass Vulnerability

References:

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