Vulnerability Name:

CVE-2014-2176 (CCN-93741)

Assigned:2014-06-11
Published:2014-06-11
Updated:2016-09-07
Summary:Cisco IOS XR 4.1.2 through 5.1.1 on ASR 9000 devices, when a Trident-based line card is used, allows remote attackers to cause a denial of service (NP chip and line card reload) via malformed IPv6 packets, aka Bug ID CSCun71928.
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:7.1 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
7.1 High (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C)
5.3 Medium (CCN 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
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-2014-2176

Source: SECUNIA
Type: Permissions Required
58722

Source: CCN
Type: cisco-sa-20140611-ipv6
Cisco IOS XR Software IPv6 Malformed Packet Denial of Service Vulnerability

Source: CISCO
Type: Vendor Advisory
20140611 Cisco IOS XR Software IPv6 Malformed Packet Denial of Service Vulnerability

Source: BID
Type: Third Party Advisory, VDB Entry
68005

Source: CCN
Type: BID-68005
Cisco IOS XR Software IPv6 Packet Handling CVE-2014-2176 Denial of Service Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1030400

Source: XF
Type: UNKNOWN
ciscoiosxr-cve20142176-dos(93741)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:ios_xr:4.1.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:4.2.0:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:4.3.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:5.1.0:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:5.1.1:*:*:*:*:*:*:*
  • AND
  • cpe:/h:cisco:asr_9001:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:asr_9006:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:asr_9010:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:asr_9904:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:asr_9912:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:asr_9922:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:cisco:ios:*:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    cisco ios xr 4.1.2
    cisco ios xr 4.2.0
    cisco ios xr 4.3.1
    cisco ios xr 5.1.0
    cisco ios xr 5.1.1
    cisco asr 9001 -
    cisco asr 9006 -
    cisco asr 9010 -
    cisco asr 9904 -
    cisco asr 9912 -
    cisco asr 9922 -
    cisco ios *