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TITLE:
Dropbear hostkey Mismatch Warning Weakness

SECUNIA ADVISORY ID:
SA24345

VERIFY ADVISORY:
http://secunia.com/advisories/24345/

CRITICAL:
Not critical

IMPACT:
Hijacking, Security Bypass

WHERE:
>From remote

SOFTWARE:
Dropbear SSH Server and Client 0.x
http://secunia.com/product/2027/

DESCRIPTION:
A weakness has been reported in Dropbear, which can be exploited by
malicious people to bypass certain security restrictions.

The weakness is caused due to Dropbear not warning users sufficiently
if a hostkey changed, which makes it easier for attackers to e.g.
conduct man-in-the-middle attacks.

The weakness is reported in versions prior to 0.49.

SOLUTION:
Update to version 0.49.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://matt.ucc.asn.au/dropbear/CHANGES

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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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