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Insecure Library Loading
Highly critical

Geo++ GNCASTER Multiple Weaknesses and Vulnerabilities

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Release Date:  2010-01-29    Last Update:  2010-02-08    Views:  4,425

Secunia Advisory SA38323

Where:

From remote

Impact:

Security Bypass, Exposure of sensitive information, DoS, System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


RedTeam Pentesting has reported some weaknesses and vulnerabilities in Geo++ GNCASTER, which can be exploited by malicious users to cause a DoS (Denial of Service) and potentially compromise a vulnerable system, and by malicious people to disclose potentially sensitive information, bypass certain security restrictions, cause a DoS, and potentially compromise a vulnerable system.

1) An error within the processing of certain overly long "HTTP GET" requests can be exploited to e.g. crash the server and potentially execute arbitrary code.

2) An error within the processing of certain overly long NMEA-data sentences can be exploited to e.g. crash the server and potentially execute arbitrary code.

Successful exploitation requires valid user credentials.

3) The server allows the HTTP Basic authentication method to access "admin.htm" although it should only allow it the HTTP Digest authentication method.

4) The server does not regenerate the nonce used during HTTP Digest authentication, which can be exploited to e.g. conduct replay attacks.

5) The server leaks 32 bytes of memory in case of a failed authentication, which can be exploited to disclose potentially sensitive information (e.g. authentication headers of other users).

The vulnerabilities and weaknesses are reported in version 1.4.0.7. Prior versions may also be affected.


Solution:
Update to version 1.4.0.8.

Provided and/or discovered by:
RedTeam Pentesting

Original Advisory:
1) http://www.redteam-pentesting.de/en/advisories/rt-sa-2010-001/-geo-r-gncaster-insecure-handling-of-long-urls
2) http://www.redteam-pentesting.de/en/advisories/rt-sa-2010-002/-geo-r-gncaster-insecure-handling-of-nmea-data
3-5) http://www.redteam-pentesting.de/en/advisories/rt-sa-2010-003/-geo-r-gncaster-faulty-implementation-of-http-digest-authentication

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Geo++ GNCASTER Multiple Weaknesses and Vulnerabilities

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