--- title: "CVE-2011-1507\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-2011-1507?format=md keywords: index, follow --- # CVE-2011-1507 Publication date 27 April 2011 Last updated 24 July 2024 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description Asterisk Open Source 1.4.x before 1.4.40.1, 1.6.1.x before 1.6.1.25, 1.6.2.x before 1.6.2.17.3, and 1.8.x before 1.8.3.3 and Asterisk Business Edition C.x.x before C.3.6.4 do not restrict the number of unauthenticated sessions to certain interfaces, which allows remote attackers to cause a denial of service (file descriptor exhaustion and disk space exhaustion) via a series of TCP connections. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | asterisk | 11.04 natty | Fixed 1:1.6.2.9-2ubuntu2.1 | | 10.10 maverick | Fixed 1:1.6.2.7-1ubuntu1.2 | | 10.04 LTS lucid | Fixed 1:1.6.2.5-0ubuntu1.4 | | 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-2011-1507?format=md#patch-details) ### 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 | | --- | --- | | asterisk | * Upstream: | ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1507) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-1507) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-1507) * [Debian](https://security-tracker.debian.org/tracker/CVE-2011-1507) ### Other references * *