Novell Client 4.91 nwspool.dll memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Novell Client 4.91. This affects an unknown function in the library nwspool.dll. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2007-2954. Additionally, an exploit exists.

Detailsinfo

A vulnerability has been found in Novell Client 4.91 and classified as very critical. This vulnerability affects an unknown code block in the library nwspool.dll. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 08/06/2007. The weakness was released 08/29/2007 with Secunia Research (Website). The advisory is shared for download at download.novell.com. This vulnerability was named CVE-2007-2954 since 05/31/2007. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/08/2025). It is expected to see the exploit prices for this product decreasing in the near future.

It is possible to download the exploit at immunitysec.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 22 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 25952 (Novell Client nwspool.dll RPC Printer Functions Remote Overflow (300870)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115623 (Novell Client NWSPOOL.DLL Multiple Buffer Overflow Vulnerabilities).

A possible mitigation has been published even before and not after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 5262.

The vulnerability is also documented in the databases at X-Force (35824), Tenable (25952), SecurityFocus (BID 25474†), OSVDB (37321†) and Secunia (SA26374†). Entries connected to this vulnerability are available at VDB-82, VDB-332, VDB-333 and VDB-427. Once again VulDB remains the best source for vulnerability data.

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CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.4

VulDB Base Score: 10.0
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 25952
Nessus Name: Novell Client nwspool.dll RPC Printer Functions Remote Overflow (300870)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

Timelineinfo

05/31/2007 🔍
08/06/2007 +67 days 🔍
08/28/2007 +22 days 🔍
08/29/2007 +1 days 🔍
08/29/2007 +0 days 🔍
08/29/2007 +0 days 🔍
08/29/2007 +0 days 🔍
08/29/2007 +0 days 🔍
08/29/2007 +0 days 🔍
08/30/2007 +0 days 🔍
08/31/2007 +1 days 🔍
09/02/2007 +2 days 🔍
03/16/2015 +2752 days 🔍
06/08/2025 +3737 days 🔍

Sourcesinfo

Vendor: novell.com

Advisory: download.novell.com
Organization: Secunia Research
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-2954 (🔍)
GCVE (CVE): GCVE-0-2007-2954
GCVE (VulDB): GCVE-100-38596
X-Force: 35824
SecurityFocus: 25474 - Novell Client NWSPOOL.DLL RPC Request Multiple Buffer Overflow Vulnerabilities
Secunia: 26374
OSVDB: 37321 - Novell NetWare Client NWSPOOL.DLL RPC Printer Functions Remote Overflow
SecurityTracker: 1018623
Vulnerability Center: 15958 - Novell Client 4.91 SP2-SP4 Spooler Service Allows Remote Code Execution via RPC Requests, High
Vupen: ADV-2007-3006

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/16/2015 12:18
Updated: 06/08/2025 06:22
Changes: 03/16/2015 12:18 (81), 07/25/2019 09:48 (2), 06/08/2025 06:22 (19)
Complete: 🔍
Cache ID: 216::103

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