--- title: "CVE-2013-2423\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-2013-2423?format=md keywords: index, follow --- # CVE-2013-2423 Publication date 17 April 2013 Last updated 25 August 2025 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) ## Cvss 3 Severity Score **3.7 · Low** [Score breakdown](https://ubuntu.com/security/CVE-2013-2423?format=md#impact-score) Toggle side navigation ## Description Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 17 and earlier, and OpenJDK 7, allows remote attackers to affect integrity via unknown vectors related to HotSpot. NOTE: the previous information is from the April 2013 CPU. Oracle has not commented on claims from the original researcher that this vulnerability allows remote attackers to bypass permission checks by the MethodHandles method and modify arbitrary public final fields using reflection and type confusion, as demonstrated using integer and double fields to disable the security manager. [Read the notes from the security team](https://ubuntu.com/security/CVE-2013-2423?format=md#notes) ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | icedtea-web | 13.04 raring | Not affected | | 12.10 quantal | Not affected | | 12.04 LTS precise | Not affected | | 11.10 oneiric | Not affected | | 10.04 LTS lucid | Not affected | | 8.04 LTS hardy | Not in release | | openjdk-6 | 13.04 raring | Not affected | | 12.10 quantal | Not affected | | 12.04 LTS precise | Not affected | | 11.10 oneiric | Not affected | | 10.04 LTS lucid | Not affected | | 8.04 LTS hardy | Ignored end of life | | openjdk-6b18 | 13.04 raring | Not in release | | 12.10 quantal | Not in release | | 12.04 LTS precise | Not in release | | 11.10 oneiric | Ignored end of life | | 10.04 LTS lucid | Ignored end of life | | 8.04 LTS hardy | Not in release | | openjdk-7 | 13.04 raring | Fixed 7u21-2.3.9-1ubuntu1 | | 12.10 quantal | Fixed 7u21-2.3.9-0ubuntu0.12.10.1 | | 12.04 LTS precise | Fixed 7u21-2.3.9-0ubuntu0.12.04.1 | | 11.10 oneiric | Fixed 7u21-2.3.9-0ubuntu0.11.10.1 | | 10.04 LTS lucid | Not in release | | 8.04 LTS hardy | Not in release | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) ## Notes --- ### [mdeslaur](https://launchpad.net/~mdeslaur) in lucid+, NetX and the plugin moved to the icedtea-web package --- ### [jdstrand](https://launchpad.net/~jdstrand) sun-java6 is not redistributable, no longer in the archive and no longer tracked sun-java5 is EOL upstream and no longer tracked as of 2013-04-19, IcedTea has not released 2.3.9 or 1.12.5 to fix this issue ## Severity score breakdown CVSS version: CVSS v3.0 **Base score** 3.7 · Low * Base metrics | Parameter | Value | | --- | --- | | Attack vector | Network | | Attack complexity | High | | Privileges required | None | | User interaction | None | | Scope | Unchanged | | Confidentiality impact | None | | Integrity impact | Low | | Availability impact | None | * Scores | Parameter | Value | | --- | --- | | Base score | 3.7 · Low | | Exploitability score | - | | Impact score | - | **Vector:** CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-2423) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2013-2423) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2013-2423) * [Debian](https://security-tracker.debian.org/tracker/CVE-2013-2423) ### Related Ubuntu Security Notices (USN) + [USN-1806-1](https://usn.ubuntu.com/USN-1806-1) + OpenJDK 7 vulnerabilities + 23 April 2013 ### Other references * * *