SEIL GRE packets denial of service

seil-gre-dos (54050) The risk level is classified as MediumMedium Risk

Description:

SEIL routers are vulnerable to a denial of service, caused by an error when NAT is enabled. An attacker could exploit this vulnerability by sending specially-crafted GRE protocol packets to cause the device to reload.

*CVSS:

Base Score: 5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 3.7
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Refer to SEIL Security Advisory a00674 for patch, upgrade or suggested workaround information. See References.

References:

  • J SEIL SMF Web site: SEIL Products.
  • SEIL Security Advisory a00674: GRE packets for NAT processing vulnerability.
  • BID-36896: SEIL/X Series and SEIL/B1 Buffer Overflow and Denial of Service Vulnerabilities
  • CVE-2009-4293: Internet Initiative Japan SEIL/X1, SEIL/X2, and SEIL/B1 firmware 2.30 through 2.51, when NAT is enabled, allows remote attackers to cause a denial of service (system restart) via crafted GRE packets.
  • SA37154: SEIL Routers Denial of Service and Buffer Overflow Vulnerabilities
  • VUPEN/ADV-2009-3111: SEIL/X and SEIL/B1 Buffer Overflow and Denial of Service Vulnerabilities

Platforms Affected:

  • SEIL B1 2.30
  • SEIL B1 2.40
  • SEIL B1 2.51
  • SEIL X1 2.30
  • SEIL X1 2.40
  • SEIL X1 2.51
  • SEIL X2 2.30
  • SEIL X2 2.40
  • SEIL X2 2.51

Reported:

Oct 26, 2009

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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.

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