Novell NetWare Client 4.91 input validation

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

A vulnerability was found in Novell NetWare Client 4.91 (Operating System). It has been declared as critical. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

NICM.SYS driver 3.0.0.4, as used in Novell NetWare Client 4.91 SP4, allows local users to execute arbitrary code by opening the \\.\nicm device and providing crafted kernel addresses via IOCTLs with the METHOD_NEITHER buffering mode.

The bug was discovered 01/09/2008. The weakness was shared 01/09/2008 by Stephen Fewer with Harmony Security (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2007-5762 since 10/31/2007. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 29898 (Novell Client nicm.sys Local Privilege Escalation), 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.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (39576), Tenable (29898) and Exploit-DB (18914).

Productinfo

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  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.4

VulDB Base Score: 9.3
VulDB Temp Score: 8.4
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CVSSv2info

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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: Yes
Remote: No

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

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Nessus ID: 29898
Nessus Name: Novell Client nicm.sys Local Privilege Escalation
Nessus File: 🔍
Nessus Risk: 🔍
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Exploit-DB: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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Timelineinfo

10/31/2007 🔍
01/09/2008 +70 days 🔍
01/09/2008 +0 days 🔍
01/09/2008 +0 days 🔍
01/09/2008 +0 days 🔍
01/09/2008 +0 days 🔍
01/09/2008 +0 days 🔍
01/09/2008 +0 days 🔍
01/10/2008 +1 days 🔍
01/14/2008 +4 days 🔍
03/16/2015 +2618 days 🔍
08/03/2019 +1601 days 🔍

Sourcesinfo

Vendor: novell.com

Advisory: securityfocus.com
Researcher: Stephen Fewer
Organization: Harmony Security
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-5762 (🔍)
X-Force: 39576
SecurityTracker: 1019172
Vulnerability Center: 17347 - Novell NetWare Client NICM.SYS Allows Local Users to Execute Arbitrary Code with Elevated Privileges, High
SecurityFocus: 27209 - Novell Client for Windows 'nicm.sys 'Local Privilege Escalation Vulnerability
Secunia: 28396
OSVDB: 40871 - CVE-2007-5762 - Novell - NetWare Client - Code Execution Issue
Vupen: ADV-2008-0088

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

Entryinfo

Created: 03/16/2015 13:43
Updated: 08/03/2019 14:56
Changes: 03/16/2015 13:43 (70), 08/03/2019 14:56 (13)
Complete: 🔍

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