Vulnerability Name:

CVE-2012-4618 (CCN-78878)

Assigned:2012-09-26
Published:2012-09-26
Updated:2013-04-11
Summary:The SIP ALG feature in the NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2 allows remote attackers to cause a denial of service (device reload) via transit IP packets, aka Bug ID CSCtn76183.
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:CWE-399
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2012-4618

Source: CCN
Type: SA50779
Cisco IOS SIP and IP NAT Processing Denial of Service Vulnerabilities

Source: CCN
Type: cisco-sa-20120926-nat
Cisco IOS Software Network Address Translation Vulnerabilities

Source: CISCO
Type: Vendor Advisory
20120926 Cisco IOS Software Network Address Translation Vulnerabilities

Source: CCN
Type: OSVDB ID: 85813
Cisco IOS Network Address Translation (NAT) Feature Multiple Malformed Packet Parsing Remote DoS

Source: BID
Type: UNKNOWN
55693

Source: CCN
Type: BID-55693
Cisco IOS NAT Functionality CVE-2012-4618 Denial of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1027579

Source: XF
Type: UNKNOWN
ciscoios-ipnat-dos(78878)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:ios:12.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.4:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.0:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.0(1)se:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.2:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:cisco:ios:12.4:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.0:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.2:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:cisco.oval:def:201
    V
    cisco-sa-20120926-nat-CVE-2012-4618
    2012-09-18
    BACK
    cisco ios 12.2
    cisco ios 12.4
    cisco ios 15.0
    cisco ios 15.0(1)se
    cisco ios 15.1
    cisco ios 15.2
    cisco ios 12.4
    cisco ios 15.0
    cisco ios 15.1
    cisco ios 15.2