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TITLE:
GNU patch Directory Traversal Vulnerability

SECUNIA ADVISORY ID:
SA43677

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/43677/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=43677

RELEASE DATE:
2011-03-09

DISCUSS ADVISORY:
http://secunia.com/advisories/43677/#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/43677/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
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https://ca.secunia.com/?page=viewadvisory&vuln_id=43677

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 vulnerability has been reported in GNU patch, which can be
exploited by malicious people to manipulate certain data or
compromise a vulnerable system.

The vulnerability is caused due to an error in the application, which
does not properly handle paths in patches. This can be exploited to
modify arbitrary files outside of the intended destination
directory.

This is related to vulnerability #1 in:
SA42826

SOLUTION:
Fixed in the GIT repository.

Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

PROVIDED AND/OR DISCOVERED BY:
Originally reported by Jakub Wilk in dpkg.

ORIGINAL ADVISORY:
http://lists.gnu.org/archive/html/bug-patch/2010-12/msg00000.html
https://bugzilla.redhat.com/show_bug.cgi?id=667529

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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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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