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Secunia Security Advisory 47254

Secunia Security Advisory 47254
Posted Dec 14, 2011
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 compromise a vulnerable system.

tags | advisory, vulnerability
SHA-256 | a4284561d7cc566f53d416cedca16012c7bc338fcb88d308510cc8c9fcf1361d

Secunia Security Advisory 47254

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TITLE:
OpenStack Nova EC2 RegisterImage Action Directory Traversal
Vulnerabilities

SECUNIA ADVISORY ID:
SA47254

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/47254/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=47254

RELEASE DATE:
2011-12-14

DISCUSS ADVISORY:
http://secunia.com/advisories/47254/#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/47254/

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=47254

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 compromise a vulnerable
system.

1) The application does not properly sanitise image file names in EC2
image manifests when handling the EC2 RegisterImage action, which can
be exploited to create files outside the intended directories via
directory traversal attacks.

2) The application does not properly sanitise file names contained in
EC2 image tarfiles when handling the EC2 RegisterImage action, which
can be exploited to create files outside the intended directories via
directory traversal attacks.

Successful exploitation requires access to the EC2 API and the
S3/RegisterImage action.

The vulnerabilities are reported in version 2011.3 and prior. Other
versions may also be affected.

SOLUTION:
Fixed in the GIT repository.

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

PROVIDED AND/OR DISCOVERED BY:
David Black

ORIGINAL ADVISORY:
OSSA 2011-001:
https://lists.launchpad.net/openstack/msg06105.html

https://bugs.launchpad.net/nova/+bug/885167
https://bugs.launchpad.net/nova/+bug/894755

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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