National Cyber Awareness System
Vulnerability Summary for CVE-2011-0989
Original release date:04/13/2011
Last revised:04/15/2011
Source:
US-CERT/NIST
Overview
The RuntimeHelpers.InitializeArray method in metadata/icall.c in Mono, when Moonlight 2.x before 2.4.1 or 3.x before 3.99.3 is used, does not properly restrict data types, which allows remote attackers to modify internal read-only data structures, and cause a denial of service (plugin crash) or corrupt the internal state of the security manager, via a crafted media file, as demonstrated by modifying a C# struct.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
4.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized modification; Allows disruption of service
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: https://github.com/mono/mono/commit/035c8587c0d8d307e45f1b7171a0d337bb451f1e
Type: Patch Information
External Source: CONFIRM
Name: https://bugzilla.novell.com/show_bug.cgi?id=667077
Type: Patch Information
External Source: MLIST
Name: [oss-security] 20110406 Moonlight release 2.4.1 with security fixes
Type: Patch Information
External Source: XF
Name: momo-runtime-security-bypass(66624)
External Source: VUPEN
Name: ADV-2011-0904
Type: Advisory
External Source: BID
Name: 47208
External Source: CONFIRM
Name: http://www.mono-project.com/Vulnerabilities
External Source: SECUNIA
Name: 44076
Type: Advisory
External Source: SECUNIA
Name: 44002
Type: Advisory
External Source: MLIST
Name: [opensuse-updates] 20110408 openSUSE-SU-2011:0313-1 (critical): moonlight security update
Technical Details
- Permissions, Privileges, and Access Control (CWE-264)