--- title: "CVE-2011-0989\n | Ubuntu" description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/CVE-2011-0989?format=md keywords: index, follow --- # CVE-2011-0989 Publication date 13 April 2011 Last updated 24 July 2024 --- Ubuntu priority **Negligible** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description 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. [Read the notes from the security team](https://ubuntu.com/security/CVE-2011-0989?format=md#notes) ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | mono | 13.04 raring | Not affected | | 12.10 quantal | Not affected | | 12.04 LTS precise | Not affected | | 11.10 oneiric | Not affected | | 11.04 natty | Ignored end of life | | 10.10 maverick | Ignored end of life | | 10.04 LTS lucid | Ignored end of life | | 9.10 karmic | Ignored end of life | | 8.04 LTS hardy | Ignored end of life | | 6.06 LTS dapper | Ignored end of life | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) * [Patch details](https://ubuntu.com/security/CVE-2011-0989?format=md#patch-details) ## Notes --- ### [mdeslaur](https://launchpad.net/~mdeslaur) upstream note: The bug (and fix) is in mono source code but can only be exploited (by untrusted applications) when used by Moonlight. Setting severity to negligible. --- ### [jdstrand](https://launchpad.net/~jdstrand) 2.10.5-1 has the fixes in source ### Patch details For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) | Package | Patch details | | --- | --- | | mono | * Upstream: [035c858](https://github.com/mono/mono/commit/035c8587c0d8d307e45f1b7171a0d337bb451f1e) | ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0989) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-0989) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-0989) * [Debian](https://security-tracker.debian.org/tracker/CVE-2011-0989) ### Other references *