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TITLE:
HydraIRC "irc://" URI Handling Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA31376

VERIFY ADVISORY:
http://secunia.com/advisories/31376/

CRITICAL:
Moderately critical

IMPACT:
DoS, System access

WHERE:
>From remote

SOFTWARE:
HydraIRC 0.x
http://secunia.com/product/14833/

DESCRIPTION:
securfrog has discovered a vulnerability in HydraIRC, which can be
exploited by malicious people to potentially compromise a user's
system.

The vulnerability is caused due to a boundary error in the processing
of "irc://" URIs. This can be exploited to cause a stack-based buffer
overflow by tricking a user into opening an overly long "irc://" URI
in a web browser.

Execution of arbitrary code has not been proven, but cannot be
completely ruled out.

The vulnerability is confirmed in version 0.3.164. Other versions may
also be affected.

SOLUTION:
Do not follow untrusted links or browse untrusted websites.

PROVIDED AND/OR DISCOVERED BY:
securfrog

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/6201

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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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