Vulnerability CVE-2012-5717 - CERT Civis.Net

Vulnerability Name:

CVE-2012-5717 (CCN-81409)

Assigned:

2012-11-02

Published:

2013-01-16

Updated:

2013-01-29

Summary:

Cisco Adaptive Security Appliances (ASA) devices with firmware 8.x through 8.4(1) do not properly manage SSH sessions, which allows remote authenticated users to cause a denial of service (device crash) by establishing multiple sessions, aka Bug ID CSCtc59462.

CVSS v3 Severity:

4.8 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): High Privileges Required (PR): Low User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

CVSS v2 Severity:

6.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:N/A:C)
4.7 Medium (Temporal CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:N/A:C/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

6.3 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:N/A:C)
4.7 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:N/A:C/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

Vulnerability Type:

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2012-5717

Source: CCN
Type: Cisco Web site
Cisco Adaptive Security Appliance SSH timeout vulnerability

Source: CISCO
Type: Vendor Advisory
20130116 Cisco Adaptive Security Appliance SSH Timeout Vulnerability

Source: CCN
Type: BID-57485
Cisco Adaptive Security Appliance SSH Timeout Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
cisco-asa-ssh-sessions-dos(81409)

Vulnerable Configuration:

Configuration 1:

cpe:/a:cisco:adaptive_security_appliance_software:8.0:*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.0(2):*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.0(3):*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.0(4):*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.0(5):*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.0.2:*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.0.3:*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.0.4:*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.0.5:*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.1:*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.2:*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(1):*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(2):*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(3):*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(3.9):*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(4):*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(4.1):*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(4.4):*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.2(5):*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.2.1:*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.2.2:*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.2.2:interim:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.2.3:*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.3(1):*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.3(2):*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.3.1:*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.3.1:interim:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.3.2:*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.4:*:*:*:*:*:*:*

OR cpe:/a:cisco:adaptive_security_appliance_software:8.4(1):*:*:*:*:*:*:*

AND

cpe:/h:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:*

OR cpe:/h:cisco:asa_1000v_cloud_firewall:-:*:*:*:*:*:*:*

OR cpe:/h:cisco:asa_5500:*:*:*:*:*:*:*:*

Denotes that component is vulnerable