Vulnerability Name:

CVE-2011-1625 (CCN-69322)

Assigned:2011-04-05
Published:2011-04-05
Updated:2012-03-15
Summary:Cisco IOS 12.2, 12.3, 12.4, 15.0, and 15.1, when the data-link switching (DLSw) feature is configured, allows remote attackers to cause a denial of service (device crash) by sending a sequence of malformed packets and leveraging a "narrow timing window," aka Bug ID CSCtf74999, a different vulnerability than CVE-2007-0199, CVE-2008-1152, and CVE-2009-0629.
CVSS v3 Severity:5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
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:5.4 Medium (CVSS v2 Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C)
4.0 Medium (Temporal CVSS v2 Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
5.4 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C)
4.0 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-362
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2011-1625

Source: CCN
Type: SA45722
Cisco IOS Data-Link Switching Denial of Service Vulnerability

Source: CCN
Type: Cisco Web site
CiscCisco uBR7200 Router Release Notes for Cisco IOS Release 12.2(33)SCF - Chapter 3, Caveat List

Source: CONFIRM
Type: UNKNOWN
http://www.cisco.com/en/US/docs/cable/cmts/release/notes/12_2sc/uBR7200/122_33_SCF/caveats.html

Source: CCN
Type: BID-49286
Cisco IOS Data-Link Switching CVE-2011-1625 Remote Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
ciscoios-dlsw-dos(69322)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:ios:12.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.3:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.4:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.0:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.1:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:cisco:ios:12.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.3:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:12.4:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.0:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.1:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    cisco ios 12.2
    cisco ios 12.3
    cisco ios 12.4
    cisco ios 15.0
    cisco ios 15.1
    cisco ios 12.2
    cisco ios 12.3
    cisco ios 12.4
    cisco ios 15.0
    cisco ios 15.1