Vulnerability Name:

CVE-2008-4543 (CCN-45743)

Assigned:2008-10-08
Published:2008-10-08
Updated:2017-08-08
Summary:Cisco Unity 4.x before 4.2(1)ES161, 5.x before 5.0(1)ES53, and 7.x before 7.0(2)ES8, when using anonymous authentication (aka native Unity authentication), allows remote attackers to cause a denial of service (session exhaustion) via a large number of connections.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
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): Low
CVSS v2 Severity:7.1 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C)
5.3 Medium (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
4.3 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
3.2 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-399
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2008-4543

Source: CCN
Type: SA32187
Cisco Unity Multiple Vulnerabilities

Source: SECUNIA
Type: Vendor Advisory
32187

Source: CCN
Type: SECTRACK ID: 1021013
Cisco Unity Lets Remote Users Consume All Available Administrative Sessions

Source: SECTRACK
Type: UNKNOWN
1021013

Source: CISCO
Type: Vendor Advisory
20081008 VoIPshield Reported Vulnerabilities in Cisco Unity Server

Source: CCN
Type: cisco-sr-20081008-unity
Cisco Security Response: VoIPshield Reported Vulnerabilities in Cisco Unity Server

Source: CCN
Type: OSVDB ID: 50075
Cisco Unity Anonymous Authentication Connection Saturation Remote DoS

Source: BID
Type: UNKNOWN
31642

Source: CCN
Type: BID-31642
Cisco Unity 7.0 Multiple Remote Vulnerabilities

Source: CCN
Type: VoIP Security Advisory, 2008-10-08
Cisco Unity Session Exhaustion Denial of Service

Source: MISC
Type: UNKNOWN
http://www.voipshield.com/research-details.php?id=128

Source: VUPEN
Type: UNKNOWN
ADV-2008-2771

Source: XF
Type: UNKNOWN
cisco-unityserver-session-handling-dos(45743)

Source: XF
Type: UNKNOWN
cisco-unityserver-session-handling-dos(45743)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cisco:unity:4.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:unity:4.0(1):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:unity:4.0(2):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:unity:4.0(3):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:unity:4.0(3):sr2:*:*:*:*:*:*
  • OR cpe:/a:cisco:unity:4.0(4):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:unity:4.0(4):sr1:*:*:*:*:*:*
  • OR cpe:/a:cisco:unity:4.0(5):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:unity:4.1(1):*:*:*:*:*:*:*
  • OR cpe:/a:cisco:unity:*:*:*:*:*:*:*:* (Version <= 4.2(1))
  • OR cpe:/a:cisco:unity:5.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:unity:*:*:*:*:*:*:*:* (Version <= 5.0(1))
  • OR cpe:/a:cisco:unity:7.0:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:unity:*:*:*:*:*:*:*:* (Version <= 7.0(2))

    • Configuration CCN 1:
  • cpe:/h:cisco:unity_server:4.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco unity 4.0
    cisco unity 4.0(1)
    cisco unity 4.0(2)
    cisco unity 4.0(3)
    cisco unity 4.0(3) sr2
    cisco unity 4.0(4)
    cisco unity 4.0(4) sr1
    cisco unity 4.0(5)
    cisco unity 4.1(1)
    cisco unity *
    cisco unity 5.0
    cisco unity *
    cisco unity 7.0
    cisco unity *
    cisco unity server 4.0