----------------------------------------------------------------------

Want a new IT Security job?

Vacant positions at Secunia:
http://secunia.com/secunia_vacancies/

----------------------------------------------------------------------

TITLE:
Cisco IOS Secure Shell Server Denial of Service Vulnerabilities

SECUNIA ADVISORY ID:
SA14854

VERIFY ADVISORY:
http://secunia.com/advisories/14854/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From local network

OPERATING SYSTEM:
Cisco IOS R12.x
http://secunia.com/product/50/
Cisco IOS 12.x
http://secunia.com/product/182/

DESCRIPTION:
Two vulnerabilities have been reported in Cisco IOS, which can be
exploited by malicious people to cause a DoS (Denial of Service).

1) An error when acting as a SSH v2 server for remote management and
authenticating against a TACACS+ server can be exploited to cause a
vulnerable device to reload.

2) A memory leak can be exploited to exhaust memory resources when
authenticating SSH users against a TACACS+ server and login fails due
to invalid credentials.

SOLUTION:
See patch matrix in the vendor advisory for information about fixes.
http://www.cisco.com/warp/public/707/cisco-sa-20050406-ssh.shtml#software

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor.

ORIGINAL ADVISORY:
http://www.cisco.com/warp/public/707/cisco-sa-20050406-ssh.shtml

----------------------------------------------------------------------

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.

----------------------------------------------------------------------

Unsubscribe: Secunia Security Advisories
http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org

----------------------------------------------------------------------