Vulnerability Name:

CVE-2008-3157 (CCN-43364)

Assigned:2008-06-25
Published:2008-06-25
Updated:2017-08-08
Summary:Nortel SIP Multimedia PC Client 4.x MCS5100 and MCS5200 does not limit the number of concurrent sessions, which allows attackers to cause a denial of service (resource consumption) via a large number of sessions.
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:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
4.2 Medium (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:U/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): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
4.2 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:U/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): Partial
Vulnerability Type:CWE-399
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2008-3157

Source: CCN
Type: SA30854
Nortel SIP Multimedia PC Client Session Handling Denial of Service

Source: SECUNIA
Type: Vendor Advisory
30854

Source: CCN
Type: SECTRACK ID: 1020371
Nortel SIP Multimedia PC Client Lets Remote Users Deny Service

Source: CCN
Type: NORTEL BULLETIN ID: 2008008919, Rev 1
Nortel Response to VSRNT-2008-007 - Nortel SIP Multimedia PC Client Unlimited Session Denial of Service

Source: CONFIRM
Type: UNKNOWN
http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=738961

Source: CCN
Type: OSVDB ID: 46557
Nortel SIP Multimedia PC Client Session Exhaustion Remote DoS

Source: SECTRACK
Type: UNKNOWN
1020371

Source: CCN
Type: VoIP Security Advisory, 2008-06-25
SIP Multimedia PC Client Unlimited Session DoS

Source: MISC
Type: UNKNOWN
http://www.voipshield.com/research-details.php?id=61

Source: VUPEN
Type: UNKNOWN
ADV-2008-1942

Source: XF
Type: UNKNOWN
nortel-sip-connection-handling-dos(43364)

Source: XF
Type: UNKNOWN
nortel-sip-connection-handling-dos(43364)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:nortel:sip_multimedia_pc_client:4.0:*:mcs5100:*:*:*:*:*
  • OR cpe:/a:nortel:sip_multimedia_pc_client:4.0:*:mcs5200:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:nortel:sip_multimedia_pc_client:4.0::mcs5100:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    nortel sip multimedia pc client 4.0
    nortel sip multimedia pc client 4.0
    nortel sip multimedia pc client 4.0