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TITLE:
dsocks "_tor_resolve" Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA21771

VERIFY ADVISORY:
http://secunia.com/advisories/21771/

CRITICAL:
Highly critical

IMPACT:
DoS, System access

WHERE:
>From remote

SOFTWARE:
dsocks 1.x
http://secunia.com/product/11897/

DESCRIPTION:
Michael Adams has reported a vulnerability in dsocks, which
potentially can be exploited by malicious people to compromise a
user's system.

The vulnerability is due to a boundary error in the "_tor_resolve()"
function in dsocks.c. This can be exploited to cause a stack-based
buffer overflow when resolving an overly long host name (e.g.
supplied by a malicious website when using dsocks with a browser).

Successful exploitation may allow arbitrary code execution.

SOLUTION:
Update to version 1.4.

PROVIDED AND/OR DISCOVERED BY:
Michael Adams

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/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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