Vulnerability CVE-2011-2560 - CERT Civis.Net

Vulnerability Name:

CVE-2011-2560 (CCN-69400)

Assigned:

2011-08-24

Published:

2011-08-24

Updated:

2012-06-15

Summary:

The Packet Capture Service in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x does not properly handle idle TCP connections, which allows remote attackers to cause a denial of service (memory consumption and restart) by making many connections, aka Bug ID CSCtf97162.

CVSS v3 Severity:

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

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

CVSS v2 Severity:

7.8 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
5.8 Medium (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)

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

7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
5.8 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)

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

Vulnerability Type:

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2011-2560

Source: CCN
Type: SA45741
Cisco Unified Communications Manager Packet Capture Service Denial of Service

Source: CISCO
Type: Vendor Advisory
20110824 Cisco Unified Communications Manager Denial of Service Vulnerabilities

Source: CCN
Type: cisco-sa-20110824-cucm
Cisco Unified Communications Manager Denial of Service Vulnerabilities

Source: CCN
Type: OSVDB ID: 74778
Cisco Unified Communications Manager Packet Capture Service Idle TCP Connection Handling Remote DoS

Source: CCN
Type: BID-49302
Cisco Unified Communications Manager (CUCM) Multiple Denial of Service Vulnerabilities

Source: XF
Type: UNKNOWN
cucm-packet-capture-dos(69400)

Vulnerable Configuration:

Configuration 1:

cpe:/a:cisco:unified_communications_manager:4.1(3):*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.1(3)sr1:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.1(3)sr2:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.1(3)sr3:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.1(3)sr4:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2.1:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2.2:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2.3:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2.3sr1:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2.3sr2:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2.3sr2b:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.3:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.3(1):*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:cisco:unified_communications_manager:4.1(3):*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2.1:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2.2:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2.3:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2.3sr1:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2.3sr2:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2.3sr2b:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.3:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.3(1):*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.1:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.1(3)sr1:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.1(3)sr2:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.1(3)sr3:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.1(3)sr4:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.3(1)sr.1:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.3(2):*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.3(2)sr1:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.1.1:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.1.2:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.1.3:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2(3)sr3:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2(3)sr2b:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2(3)sr1:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2(3)sr4:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2_2:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2_3:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2.3_sr3:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2_1:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2_3_sr3:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2_3_sr2b:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2_3sr1:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.3_1:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.3.1:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.3.2:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.2_3_sr2:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:4.3_1_sr1:*:*:*:*:*:*:*

Denotes that component is vulnerable