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Secunia Security Advisory 49763

Secunia Security Advisory 49763
Posted Jul 5, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Two vulnerabilities have been reported in OpenStack Compute (Nova), which can be exploited by malicious users to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.

tags | advisory, denial of service, vulnerability
MD5 | 9edcba6e3f39807d99b8088862d430e6

Secunia Security Advisory 49763

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TITLE:
OpenStack Compute (Nova) Host File Injection and File Corruption
Vulnerabilities

SECUNIA ADVISORY ID:
SA49763

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/49763/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=49763

RELEASE DATE:
2012-07-04

DISCUSS ADVISORY:
http://secunia.com/advisories/49763/#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/49763/

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=49763

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:
Two vulnerabilities have been reported in OpenStack Compute (Nova),
which can be exploited by malicious users to cause a DoS (Denial of
Service) and potentially compromise a vulnerable system.

1) The application improperly verifies paths in requests for file
injections in disk images. This can be exploited to inject files in
arbitrary locations on the host filesystem via directory traversal
sequences.

This vulnerability only affects series Essex (2012.1) running
OpenStack API over libvirt-based hypervisors.

2) An error when handling requests for instances based on images can
be exploited to corrupt arbitrary files on the host filesystem via
specially crafted images and cause a DoS.

SOLUTION:
Fixed in the GIT repository for series Essex (2012.1) and Folsom
(2012.2). A fix for series Diablo (2011.3) is currently under review.

PROVIDED AND/OR DISCOVERED BY:
1) The vendor credits Matthias Weckbecker, SUSE Security Team
2) Pádraig Brady, Red Hat within a Launchpad bug report.

ORIGINAL ADVISORY:
Nova:
https://lists.launchpad.net/openstack/msg14089.html
https://bugs.launchpad.net/nova/+bug/1015531
https://github.com/openstack/nova/commit/2427d4a99bed35baefd8f17ba422cb7aae8dcca7
https://github.com/openstack/nova/commit/b0feaffdb2b1c51182b8dce41b367f3449af5dd9
https://review.openstack.org/9268

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/

----------------------------------------------------------------------

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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