Bug 1044976 – CVE-2013-5573 jenkins: default markup formatter permits offsite-bound forms (SECURITY-88)

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Bug 1044976 - (CVE-2013-5573) CVE-2013-5573 jenkins: default markup formatter permits offsite-bound forms (SECURITY-88)

Summary:	CVE-2013-5573 jenkins: default markup formatter permits offsite-bound forms (...

Status:	CLOSED ERRATA

Aliases:	CVE-2013-5573

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=moderate,public=20131216,repor...
Keywords:	Security

Depends On:	1033371 1033372 1033373
Blocks:	1044977 1103334
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Reported:	2013-12-19 06:10 EST by Ratul Gupta
Modified:	2015-08-04 03:49 EDT (History)
CC List:	9 users (show)

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Doc Type:	Bug Fix
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Description Ratul Gupta 2013-12-19 06:10:24 EST

The default installation and configuration of Jenkins CI is prone to a security vulnerability. The Jenkins CI default markup formatter permits offsite-bound forms. This vulnerability could be exploited by a remote attacker (a malicious user) to inject malicious persistent HTML script code (application side).

Currently, there are no known upgrades or patches to correct this vulnerability. It is possible to temporarily mitigate the flaw by implementing the following workaround:

'MyspacePolicy' permits
tag("form", "action", ONSITE_OR_OFFSITE_URL, "method");

Fix 'MyspacePolicy' by restricting the policy to ONSITE_URL only or perhaps <form> could be banned entirely.

References:
http://seclists.org/fulldisclosure/2013/Dec/159

Comment 2 Kurt Seifried 2014-10-28 18:54:17 EDT

This issue has been addressed in the following products:

  Red Hat OpenShift Enterprise 2.1

Via RHBA-2014:1630 https://rhn.redhat.com/errata/RHBA-2014-1630.html

Comment 3 Kurt Seifried 2014-10-28 18:54:17 EDT

This issue has been addressed in the following products:

  Red Hat OpenShift Enterprise 2.1

Via RHBA-2014:1630 https://rhn.redhat.com/errata/RHBA-2014-1630.html

Comment 4 Kurt Seifried 2015-07-15 21:22:24 EDT

Mitigation:

'MyspacePolicy' permits
tag("form", "action", ONSITE_OR_OFFSITE_URL, "method");

Fix 'MyspacePolicy' by restricting the policy to ONSITE_URL only or perhaps <form> could be banned entirely.

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