CVE-2007-5762

Novell NetWare Client 4.91 SP4 - Local Privilege Escalation via NICM.SYS IOCTL

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2007-5762. PoCs published by sickness.

AI-analyzed exploit summary This exploit targets a privilege escalation vulnerability in Novell Client 4.91 SP3/4 by manipulating the HalDispatchTable to overwrite kernel memory and steal SYSTEM tokens. It uses a vulnerable IOCTL (0x00143B6B) to trigger the exploit and spawns a SYSTEM-level command shell.

Description

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.

Exploits (1)

exploitdb WORKING POC VERIFIED
by sickness · pythonlocalwindows
https://www.exploit-db.com/exploits/18914

This exploit targets a privilege escalation vulnerability in Novell Client 4.91 SP3/4 by manipulating the HalDispatchTable to overwrite kernel memory and steal SYSTEM tokens. It uses a vulnerable IOCTL (0x00143B6B) to trigger the exploit and spawns a SYSTEM-level command shell.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Complex
Reliability
Reliable
Target: Novell Client 4.91 SP3/4
No auth needed
Prerequisites: Novell Client 4.91 SP3/4 installed on Windows XP or Windows Server 2003 (excluding XP SP1) · Local access to the target system
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (7)

Core 7
Core References
Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/27209
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/28396
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2008/0088
Patch third-party-advisory x_refsource_idefense
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=637
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/39576
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1019172

Scores

EPSS 0.0088
EPSS Percentile 54.3%

Details

CWE
CWE-20
Status published
Products (1)
novell/netware_client 4.91 sp4
Published Jan 09, 2008
Tracked Since Feb 18, 2026