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TITLE:
virtualenv Insecure Temporary Files Security Issue

SECUNIA ADVISORY ID:
SA47240

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/47240/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=47240

RELEASE DATE:
2011-12-20

DISCUSS ADVISORY:
http://secunia.com/advisories/47240/#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/47240/

ONLY AVAILABLE IN CUSTOMER AREA:
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https://ca.secunia.com/?page=viewadvisory&vuln_id=47240

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:
A security issue has been discovered in virtualenv, which can be
exploited by malicious, local users to perform certain actions with
escalated privileges.

The security issue is caused due to the virtualenv.py script creating
temporary files in an insecure manner, which can be exploited to e.g.
overwrite arbitrary files via symlink attacks.

The security issue is confirmed in version 1.4.9. Prior versions may
also be affected.

SOLUTION:
Update to version 1.5.

PROVIDED AND/OR DISCOVERED BY:
Disclosed in a GIT commit.

ORIGINAL ADVISORY:
https://github.com/pypa/virtualenv/commit/68075ad9ededf7df2c46d385f836c13b729de2ca

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.

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Secunia NEVER sends attached files with advisories.
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