Vulnerability Name:

CVE-2014-3308 (CCN-94231)

Assigned:2014-07-03
Published:2014-07-03
Updated:2017-01-12
Summary:Cisco IOS XR on Trident line cards in ASR 9000 devices lacks a static punt policer, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted packets, aka Bug ID CSCun83985.
CVSS v3 Severity:6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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): Low
Availibility (A): Low
CVSS v2 Severity:6.4 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P)
4.7 Medium (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P/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): Partial
Availibility (A): Partial
6.4 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P)
4.7 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P/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): Partial
Availibility (A): Partial
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2014-3308

Source: SECUNIA
Type: UNKNOWN
58869

Source: CCN
Type: Cisco Security Notice
Cisco IOS XR Software Punt Policer Denial of Service Vulnerability

Source: CISCO
Type: Vendor Advisory
20140703 Cisco IOS XR Software Punt Policer Denial of Service Vulnerability

Source: CONFIRM
Type: Vendor Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=34843

Source: BID
Type: Third Party Advisory, VDB Entry
68351

Source: CCN
Type: BID-68351
Cisco IOS XR Software Static Punt Policer Denial of Service Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1030525

Source: XF
Type: UNKNOWN
ciscoiosxr-cve20143308-dos(94231)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:ios_xr:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:cisco:asr_9000_rsp440_router:-:*:*:*:*:*:*:*
  • OR 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_xr:*:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    cisco ios xr *
    cisco asr 9000 rsp440 router -
    cisco asr 9001 -
    cisco asr 9006 -
    cisco asr 9010 -
    cisco asr 9904 -
    cisco asr 9912 -
    cisco asr 9922 -
    cisco ios xr *