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TITLE:
aria2 metalink "name" Directory Traversal Vulnerability

SECUNIA ADVISORY ID:
SA39529

VERIFY ADVISORY:
http://secunia.com/advisories/39529/

DESCRIPTION:
Secunia Research has discovered a vulnerability in aria2, which can
be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to the application not properly
sanitising the "name" attribute of the "file" element of metalink
files before using it to download files. If a user is tricked into
downloading from a specially crafted metalink file, this can be
exploited to download files to directories outside of the intended
download directory via directory traversal attacks.

The vulnerability is confirmed in version 1.9.1 build2. Other
versions may also be affected.

SOLUTION:
Update to version 1.9.3.

PROVIDED AND/OR DISCOVERED BY:
Stefan Cornelius, Secunia Research.

ORIGINAL ADVISORY:
Secunia Research:
http://secunia.com/secunia_research/2010-71/

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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:
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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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