Novell eDirectory dhost/modules?I buffer overflow

edirectory-modulesi-bo (54264) The risk level is classified as HighHigh Risk

Description:

Novell eDirectory is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by dhost/modules?I:. By sending a specially-crafted HTTP GET request containing an overly long string, a remote attacker could overflow a buffer and execute arbitrary code on the system.

*CVSS:

Base Score: 7.5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 5.9
  Exploitability: Proof-of-Concept
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Refer to Novell Document ID: 3426981 for patch, upgrade or suggested workaround information. See References.

References:

  • BugTraq Mailing List, Thu Nov 12 2009: Novell eDirectory 8.8 SP5 Denial of Service.
  • Novell Document ID: 3426981: History of Issues Resolved in eDirectory 8.8.x.
  • BID-37009: Novell eDirectory '/dhost/modules?I:' Buffer Overflow Vulnerability
  • CVE-2009-4653: Stack-based buffer overflow in the dhost module in Novell eDirectory 8.8 SP5 for Windows allows remote authenticated users to cause a denial of service (dhost.exe crash) and possibly execute arbitrary code via a long string to /dhost/modules?I:.
  • OSVDB ID: 62661: Novell eDirectory dhost Module dhost/modules?I: Remote Overflow DoS
  • SA40041: Novell eDirectory Multiple Vulnerabilities

Platforms Affected:

  • Novell eDirectory 8.8
  • Novell eDirectory 8.8 SP2
  • Novell eDirectory 8.8 SP5 Windows
  • Novell eDirectory 8.8 SP4
  • Novell eDirectory 8.8 SP1
  • Novell eDirectory 8.8 SP3
  • Novell eDirectory 8.8.1
  • Novell eDirectory 8.8.2

Reported:

Nov 12, 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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