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Last updated: 3/2/2015 11:36:21 AM

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Vulnerability Summary for CVE-2010-0551

Original release date: 02/04/2010
Last revised: 01/04/2011


HTTP authentication implementation in Geo++ GNCASTER and earlier allows remote attackers to read authentication headers of other users via a large request with an incorrect authentication attempt, which includes sensitive memory in the response. NOTE: this is referred to as a "memory leak" by some sources, but is better characterized as "memory disclosure."


CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:P/I:N/A:N) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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External Source: MISC
Name: http://www.redteam-pentesting.de/en/advisories/rt-sa-2010-003/-geo-r-gncaster-faulty-implementation-of-http-digest-authentication
External Source: OSVDB
Name: 62015
External Source: BUGTRAQ
Name: 20100127 [RT-SA-2010-003] Geo++(R) GNCASTER: Faulty implementation of HTTPDigest Authentication
External Source: XF
Name: gncaster-server-info-disclosure(55978)

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:geopp:geo%2b%2b_gncaster: and previous versions
* cpe:/a:geopp:geo%2b%2b_gncaster:

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
  • Information Leak / Disclosure (CWE-200)