DansGuardian filename bypass filtering
| dansguardian-filename-bypass-filtering (16836) |  Medium Risk |
Description:
DansGuardian could allow a remote attacker to bypass filtering and view malicious Web content. A remote attacker could send a specially-crafted URL request for a filename containing hexadecimal URL encoded characters to bypass content filtering and view unauthorized Web content.
Consequences:
Bypass Security
Remedy:
No remedy available as of July 2004.
References:
- BugTraq Mailing List, Thu Jul 29 2004 - 08:43:18 CDT: DansGuardian Hex Encoding URL Banned Extension Filter Bypass Vulnerability.
- DansGuardian Web site: DansGuardian - True Web Content Filtering for All.
- BID-10823: DansGuardian Hex Encoded File Extension URI Content Filter Bypass Vulnerability
- CVE-2004-2065: DansGuardian 2.8 and earlier allows remote attackers to bypass the extension filtering rule via a hex encoded extension or . in the filename.
- CVE-2004-2283: Unknown vulnerability in DansGuardian before 2.6.1-13 allows remote attackers to bypass URL filters via a crafted request that causes a page to be added to the clean page cache.
- OSVDB ID: 5951: DansGuardian Force Unclean Page Filter Bypass
- OSVDB ID: 8270: DansGuardian Hex Encoded Banned Extension Filter Bypass
- SA12191: DansGuardian Banned Extension Filter Bypass Vulnerability
- SECTRACK ID: 1010817: DansGuarding File Extension Filter Can Be Bypassed With Hex-Encoded URLs
Platforms Affected:
- Daniel Barron DansGuardian 2.8
Reported:
Jul 29, 2004
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