Cisco IOS Data-link Switching (DLSw) denial of service
| cisco-ios-dlsw-dos (41482) |  Medium Risk |
Description:
Cisco IOS is vulnerable to a denial of service, caused by an error when Data-link Switching (DLSw) is enabled. By sending a specially-crafted UDP or IP Protocol 91 packet, a remote attacker could cause a memory leak or cause the device to reload.
*CVSS:
| Base Score: | 7.1 |
| Access Vector: | Network |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Complete |
| Temporal Score: | 5.3 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Refer to cisco-sa-20080326-dlsw for patch, upgrade or suggested workaround information. See References.
References:
- cisco-sa-20080326-dlsw: Cisco Security Advisory: Multiple DLSw Denial of Service Vulnerabilities in Cisco IOS.
- BID-28465: Cisco IOS Multiple DLSw Denial of Service Vulnerablities
- CVE-2008-1152: The data-link switching (DLSw) component in Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service (device restart or memory consumption) via crafted (1) UDP port 2067 or (2) IP protocol 91 packets.
- SA29507: Cisco IOS Multiple Vulnerabilities
- SECTRACK ID: 1019712: Cisco IOS Data-link Switching Bug Lets Remote Users Deny Service
- VUPEN/ADV-2008-1006: Cisco IOS Denial of Service and Information Disclosure Vulnerabilities
Platforms Affected:
- Cisco IOS 12.0
- Cisco IOS 12.0DA
- Cisco IOS 12.0DB
- Cisco IOS 12.0DC
- Cisco IOS 12.0S
- Cisco IOS 12.0T
- Cisco IOS 12.0W
- Cisco IOS 12.0WC
- Cisco IOS 12.0XA
- Cisco IOS 12.0XC
- Cisco IOS 12.0XD
- Cisco IOS 12.0XE
- Cisco IOS 12.0XG
- Cisco IOS 12.0XH
- Cisco IOS 12.0XI
- Cisco IOS 12.0XJ
- Cisco IOS 12.0XK
- Cisco IOS 12.0XN
- Cisco IOS 12.0XQ
- Cisco IOS 12.0XR
- Cisco IOS 12.1
- Cisco IOS 12.1AA
- Cisco IOS 12.1AY
- Cisco IOS 12.1DB
- Cisco IOS 12.1DC
- Cisco IOS 12.1EA
- Cisco IOS 12.1EC
- Cisco IOS 12.1EX
- Cisco IOS 12.1EZ
- Cisco IOS 12.1GA
- Cisco IOS 12.1GB
- Cisco IOS 12.1T
- Cisco IOS 12.1XA
- Cisco IOS 12.1XC
- Cisco IOS 12.1XD
- Cisco IOS 12.1XG
- Cisco IOS 12.1XH
- Cisco IOS 12.1XI
- Cisco IOS 12.1XJ
- Cisco IOS 12.1XM
- Cisco IOS 12.1XP
- Cisco IOS 12.1XQ
- Cisco IOS 12.1XS
- Cisco IOS 12.1XT
- Cisco IOS 12.1XV
- Cisco IOS 12.1XW
- Cisco IOS 12.1XX
- Cisco IOS 12.1XY
- Cisco IOS 12.1XZ
- Cisco IOS 12.1YA
- Cisco IOS 12.1YB
- Cisco IOS 12.1YD
- Cisco IOS 12.1YE
- Cisco IOS 12.1YI
- Cisco IOS 12.2
- Cisco IOS 12.2B
- Cisco IOS 12.2BW
- Cisco IOS 12.2BY
- Cisco IOS 12.2DD
- Cisco IOS 12.2DX
- Cisco IOS 12.2EX
- Cisco IOS 12.2SBC
- Cisco IOS 12.2SU
- Cisco IOS 12.2SV
- Cisco IOS 12.2SW
- Cisco IOS 12.2SX
- Cisco IOS 12.2SXA
- Cisco IOS 12.2SXB
- Cisco IOS 12.2SXD
- Cisco IOS 12.2SXE
- Cisco IOS 12.2SY
- Cisco IOS 12.2SZ
- Cisco IOS 12.2T
- Cisco IOS 12.2XA
- Cisco IOS 12.2XB
- Cisco IOS 12.2XC
- Cisco IOS 12.2XD
- Cisco IOS 12.2XG
- Cisco IOS 12.2XH
- Cisco IOS 12.2XJ
- Cisco IOS 12.2XK
- Cisco IOS 12.2XL
- Cisco IOS 12.2XM
- Cisco IOS 12.2XQ
- Cisco IOS 12.2XT
- Cisco IOS 12.2XU
- Cisco IOS 12.2XV
- Cisco IOS 12.2XW
- Cisco IOS 12.2YA
- Cisco IOS 12.2YB
- Cisco IOS 12.2YC
- Cisco IOS 12.2YD
- Cisco IOS 12.2YE
- Cisco IOS 12.2YF
- Cisco IOS 12.2YH
- Cisco IOS 12.2YJ
- Cisco IOS 12.2YL
- Cisco IOS 12.2YM
- Cisco IOS 12.2YN
- Cisco IOS 12.2YO
- Cisco IOS 12.2YT
- Cisco IOS 12.2YU
- Cisco IOS 12.2YV
- Cisco IOS 12.2YW
- Cisco IOS 12.2YX
- Cisco IOS 12.2YY
- Cisco IOS 12.2YZ
- Cisco IOS 12.2ZA
- Cisco IOS 12.2ZB
- Cisco IOS 12.2ZD
- Cisco IOS 12.2ZE
- Cisco IOS 12.2ZF
- Cisco IOS 12.2ZG
- Cisco IOS 12.2ZH
- Cisco IOS 12.2ZJ
- Cisco IOS 12.2ZL
- Cisco IOS 12.2ZU
- Cisco IOS 12.3B
- Cisco IOS 12.3BW
- Cisco IOS 12.3JK
- Cisco IOS 12.3T
- Cisco IOS 12.3VA
- Cisco IOS 12.3XB
- Cisco IOS 12.3XD
- Cisco IOS 12.3XF
- Cisco IOS 12.3XG
- Cisco IOS 12.3XH
- Cisco IOS 12.3XJ
- Cisco IOS 12.3XK
- Cisco IOS 12.3XQ
- Cisco IOS 12.3XU
- Cisco IOS 12.3XW
- Cisco IOS 12.3YF
- Cisco IOS 12.3YH
- Cisco IOS 12.3YI
- Cisco IOS 12.3YJ
- Cisco IOS 12.3YK
- Cisco IOS 12.3YQ
- Cisco IOS 12.3YT
- Cisco IOS 12.3YU
- Cisco IOS 12.4SW
- Cisco IOS 12.4XA
- Cisco IOS 12.4XC
- Cisco IOS 12.4XJ
- Cisco IOS 12.4XK
- Cisco IOS 12.4XW
Reported:
Mar 26, 2008
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.