Novell Client NWSPOOL.DLL buffer overflow

novell-client-nwspool-bo (35824) The risk level is classified as HighHigh Risk

Description:

Novell Client is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the nwspool.dll library. By sending specially-crafted RPC requests to the RpcAddPrinterDriver and RpcGetPrinterDriverDirectory functions, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the system to crash.

*CVSS:

Base Score: 7
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 5.2
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Refer to Novell Technical Information Document ID: 5005400 for patch, upgrade, or suggested workaround information. See References.

References:

  • Novell Technical Information Document ID: 5005400: Novell Client 4.91 Post-SP4 NWSPOOL.DLL.
  • Secunia Research 29/08/2007: Novell Client NWSPOOL.DLL Buffer Overflow Vulnerabilities.
  • ZDI-07-045: Novell Client NWSPOOL.DLL Stack Overflow Vulnerability.
  • BID-25474: Novell Client NWSPOOL.DLL RPC Request Multiple Buffer Overflow Vulnerabilities
  • CVE-2007-2954: Multiple stack-based buffer overflows in the Spooler service (nwspool.dll) in Novell Client 4.91 SP2 through SP4 for Windows allow remote attackers to execute arbitrary code via certain long arguments to the (1) RpcAddPrinterDriver, (2) RpcGetPrinterDriverDirectory, and other unspecified RPC requests, aka Novell bug 300870, a different vulnerability than CVE-2006-5854.
  • SA26374: Novell Client NWSPOOL.DLL Buffer Overflow Vulnerabilities
  • SECTRACK ID: 1018623: Novell Client NWSPOOL.DLL Stack Overflows Let Remote Users Execute Arbitrary Code
  • VUPEN/ADV-2007-3006: Novell Client NWSPOOL.DLL Multiple Remote Buffer Overflow Vulnerabilities

Platforms Affected:

  • Novell NetWare Client 4.91 SP4

Reported:

Aug 06, 2007

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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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