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TITLE:
Puppet Multiple Security Issues

SECUNIA ADVISORY ID:
SA46286

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46286/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46286

RELEASE DATE:
2011-10-24

DISCUSS ADVISORY:
http://secunia.com/advisories/46286/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/46286/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=46286

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Multiple security issues have been reported in Puppet, which can be
exploited by malicious, local users to perform certain actions with
escalated privileges.

1) A race condition when handling SSH authorized keys can be
exploited to e.g. change the permissions of arbitrary files via
symlink attacks.

2) The ".k5login" file in a user's home directory is updated as the
root user in an insecure manner, which can be exploited to e.g.
replace another user's ".k5login" file via symlink attacks.

3) Puppet resource creates temporary files with a predictable
filename when running in "--edit" mode, which can be exploited to
trick another user into manipulating arbitrary files or running
arbitrary Puppet code.

Note: Additionally, a problem within the indirector/file.rb terminus
base class exists. However, the problematic code is not used outside
of unit tests.

SOLUTION:
Apply hotfixes for Puppet Enterprise versions 1.0, 1.1, and 1.2.x or
update to Puppet versions 2.6.11 or 2.7.5.

PROVIDED AND/OR DISCOVERED BY:
1) Ricky Zhou
2, 3) Reported by the vendor.

ORIGINAL ADVISORY:
http://groups.google.com/group/puppet-users/browse_thread/thread/91e3b46d2328a1cb#
http://projects.puppetlabs.com/issues/9790

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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