Vulnerability Name:

CVE-2013-5549

Assigned:2013-08-22
Published:2013-10-23
Updated:2013-10-25
Summary:Cisco IOS XR 3.8.1 through 4.2.0 does not properly process fragmented packets within the RP-A, RP-B, PRP, and DRP-B route-processor components, which allows remote attackers to cause a denial of service (transmission outage) via (1) IPv4 or (2) IPv6 traffic, aka Bug ID CSCuh30380.
CVSS v3 Severity:7.5 High (CCN CVSS v3 Vector: CVSS:3.0/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
References:Source: CISCO
Type: VENDOR_ADVISORY
20131023 Cisco IOS XR Software Route Processor Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
ciscoiosxr-cve20135549-dos(88243)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:ios_xr:3.8.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:3.8.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:3.8.3:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:3.8.4:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:3.9.0:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:3.9.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:3.9.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:4.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:4.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:4.0.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:4.0.3:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:4.0.4:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:4.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:4.1.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:4.1.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xr:4.2.0:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:cisco:ios_xr:3.0.1:*:*:*:*:*:*:*

  • Denotes that component is vulnerable
    BACK
    cisco ios xr 3.8.1
    cisco ios xr 3.8.2
    cisco ios xr 3.8.3
    cisco ios xr 3.8.4
    cisco ios xr 3.9.0
    cisco ios xr 3.9.1
    cisco ios xr 3.9.2
    cisco ios xr 4.0.0
    cisco ios xr 4.0.1
    cisco ios xr 4.0.2
    cisco ios xr 4.0.3
    cisco ios xr 4.0.4
    cisco ios xr 4.1
    cisco ios xr 4.1.1
    cisco ios xr 4.1.2
    cisco ios xr 4.2.0
    cisco ios xr 3.0.1