CVE-2013-4578

Publication date 29 December 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

jarsigner in OpenJDK and Oracle Java SE before 7u51 allows remote attackers to bypass a code-signing protection mechanism and inject unsigned bytecode into a signed JAR file by leveraging improper file validation.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
openjdk-6	14.10 utopic	Not affected
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected
	10.04 LTS lucid	Not affected
openjdk-7	14.10 utopic	Not affected
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected
	10.04 LTS lucid	Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
openjdk-6	Upstream: http://hg.openjdk.java.net/jdk7u/jdk7u/jdk/rev/d5f36e1c927e
openjdk-7	Upstream: http://hg.openjdk.java.net/jdk7u/jdk7u/jdk/rev/d5f36e1c927e

Severity score breakdown

Parameter	Value
Base score	5.3 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	Low
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N