Novell Client 4.91 memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.8	$5k-$25k	0.00

Summaryinfo

A vulnerability has been found in Novell Client 4.91 and classified as problematic. Impacted is an unknown function. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2008-2145. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Novell Client 4.91. This issue affects an unknown part. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in Novell Client 4.91 SP4 and earlier allows local users to cause a denial of service (crash) and possibly execute arbitrary code via a long username in the "forgotten password" dialog.

The weakness was released 05/12/2008 (Website). It is possible to read the advisory at vupen.com. The identification of this vulnerability is CVE-2008-2145 since 05/12/2008. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/31/2025). It is expected to see the exploit prices for this product decreasing in the near future.

It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118391 (Novell Client "LOGINW32.DLL" Buffer Overflow Vulnerability).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (42359), SecurityFocus (BID 29109†), Secunia (SA30126†), SecurityTracker (ID 1020020†) and Vulnerability Center (SBV-26835†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Novell

Name

Client

Version

4.91

License

commercial

Support

end of life

Website

Vendor: https://www.novell.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.8

VulDB Base Score: 9.3
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/08/2008 🔍
05/08/2008 +0 days 🔍
05/12/2008 +4 days 🔍
05/12/2008 +0 days 🔍
05/12/2008 +0 days 🔍
05/13/2008 +1 days 🔍
05/14/2008 +1 days 🔍
08/18/2010 +826 days 🔍
03/16/2015 +1671 days 🔍
05/31/2025 +3729 days 🔍

Sourcesinfo

Vendor: novell.com

Advisory: vupen.com⛔
Status: Not defined

CVE: CVE-2008-2145 (🔍)
GCVE (CVE): GCVE-0-2008-2145
GCVE (VulDB): GCVE-100-42311
X-Force: 42359
SecurityFocus: 29109 - Novell Client for Windows Forgotten Password Local Privilege Escalation Vulnerability
Secunia: 30126 - Novell Client Login Long Username/Context Buffer Overflow, Less Critical
SecurityTracker: 1020020 - Novell Client Buffer Overflow Lets Physically Local User Execute Arbitrary Code
Vulnerability Center: 26835 - Novell Client 4.91 SP4 and Prior Local DoS Vulnerability via a Long Username, Low
Vupen: ADV-2008-1503

Entryinfo

Created: 03/16/2015 17:00
Updated: 05/31/2025 19:06
Changes: 03/16/2015 17:00 (51), 03/03/2017 08:09 (15), 05/31/2025 19:06 (18)
Complete: 🔍
Cache ID: 216::103