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Secunia Security Advisory 25199

Secunia Security Advisory 25199
Posted May 11, 2007
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Some vulnerabilities have been reported in Cisco IOS, which can be exploited by malicious users and malicious people to bypass certain security restrictions, cause a DoS (Denial of Service), or potentially compromise a vulnerable system.

tags | advisory, denial of service, vulnerability
systems | cisco
SHA-256 | be2408133a3192ff8aee88008ddc52d03ff724523208681a9ad94831cd610761

Secunia Security Advisory 25199

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TITLE:
Cisco IOS FTP Server Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA25199

VERIFY ADVISORY:
http://secunia.com/advisories/25199/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass, DoS, System access

WHERE:
>From remote

OPERATING SYSTEM:
Cisco IOS 12.x
http://secunia.com/product/182/
Cisco IOS 11.x
http://secunia.com/product/183/

DESCRIPTION:
Some vulnerabilities have been reported in Cisco IOS, which can be
exploited by malicious users and malicious people to bypass certain
security restrictions, cause a DoS (Denial of Service), or
potentially compromise a vulnerable system.

1) An unspecified error exists in the IOS FTP server when verifying
user credentials, which can be exploited to bypass user
authentication.

2) An unspecified error exists when transferring files via FTP, which
can be exploited to cause a DoS (Denial of Service).

Successful exploitation may allow an attacker to retrieve any file
from an affected system (including startup-config), cause IOS to
reload, and potentially execute arbitrary code, but requires that the
FTP server is enabled, which is not the default setting.

The vulnerabilities are reported in IOS version 11.3, 12.0, 12.1,
12.2, 12.3, and 12.4 containing the FTP server feature.

SOLUTION:
The vendor has issued an update that removes the FTP server ability.
As a workaround, it is possible to disable the FTP server by
executing the following command in configuration mode: "no ftp-server
enable". See vendor advisories for more details.

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

ORIGINAL ADVISORY:
http://www.cisco.com/en/US/products/products_applied_intelligence_response09186a00808399ea.html
http://www.cisco.com/en/US/products/products_security_advisory09186a00808399d0.shtml

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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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