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Moderately critical

Cisco ASA and PIX Security Appliances Multiple Vulnerabilities

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Release Date:  2008-09-04    Views:  9,681

Secunia Advisory SA31730

Where:

From remote

Impact:

Exposure of sensitive information, DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Some vulnerabilities have been reported in Cisco ASA and PIX appliances, which can be exploited by malicious people to disclose sensitive information, and by malicious users and malicious people to cause a DoS (Denial of Service).

1) An unspecified error when processing SIP packets can be exploited to reload an affected device that has SIP inspection enabled.

The vulnerability is reported in Cisco PIX and ASA software versions prior to 7.0(7)16, 7.1(2)71, 7.2(4)7, 8.0(3)20, and 8.1(1)8.

2) An unspecified error when Cisco PIX and Cisco ASA devices are configured to terminate client based VPN connections can be exploited to reload the device.

Successful exploitation requires valid user credentials.

The vulnerability is reported in Cisco PIX and Cisco ASA software versions prior to 7.2(4)2, 8.0(3)14, and 8.1(1)4. Devices that run software versions 7.0 and 7.1 are reportedly not affected by this vulnerability.

3) A memory leak in Cisco ASA devices that are configured to terminate clientless VPN connections can be exploited to reload the device via specially crafted SSL or HTTP packets.

The vulnerability is reported in Cisco ASA software version prior to 7.2(4)2, 8.0(3)14, or 8.1(1)4. Cisco ASA devices that run software versions 7.0 and 7.1 are not affected by this vulnerability.

4) An unspecified error within the URI processing in Cisco ASA devices that terminate clientless remote access VPN connections can be exploited to reload the device.

The vulnerability is reported in Cisco ASA software versions prior to 8.0(3)15, and 8.1(1)5. Cisco ASA devices that run software versions 7.0, 7.1, or 7.2 are not affected by this vulnerability.

5) An unspecified error in Cisco ASA devices configured to terminate clientless VPN connections can be exploited to disclose potentially sensitive information such as usernames and passwords.

Successful exploitation requires that a user is tricked into e.g. visiting a malicious web server or reply to an email.

The vulnerability is reported in Cisco ASA devices running software versions 8.0 or 8.1 with clientless VPNs enabled. Cisco ASA devices that run software versions 7.0, 7.1, or 7.2 are not affected.


Solution:
Update to fixed versions (please see the vendor's advisory for details).

Provided and/or discovered by:
Reported by the vendor.

Original Advisory:
Cisco:
http://www.cisco.com/warp/public/707/cisco-sa-20080903-asa.shtml

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Cisco ASA and PIX Security Appliances Multiple Vulnerabilities

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