VDB-127052 · CVE-2009-5153 · GCVE-0-2009-5153

Novell NetWare up to 6.5 SP7 NFS Portmapper Daemon Length Field 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.
8.2	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Novell NetWare up to 6.5 SP7. This affects an unknown part of the component NFS Portmapper Daemon. Such manipulation as part of Length Field leads to memory corruption. This vulnerability is uniquely identified as CVE-2009-5153. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Novell NetWare up to 6.5 SP7 (Operating System). It has been rated as critical. Affected by this issue is some unknown functionality of the component NFS Portmapper Daemon. The manipulation as part of a Length Field 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. CVE summarizes:

In Novell NetWare before 6.5 SP8, a stack buffer overflow in processing of CALLIT RPC calls in the NFS Portmapper daemon in PKERNEL.NLM allowed remote unauthenticated attackers to execute code, because a length field was incorrectly trusted.

The bug was discovered 09/30/2009. The weakness was disclosed 11/21/2018 (Website). The advisory is shared for download at bugzilla.suse.com. This vulnerability is handled as CVE-2009-5153 since 11/21/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 3339 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 6.5 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Novell

Name

NetWare

Version

6.5 SP7

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: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: NetWare 6.5

Timelineinfo

09/30/2009 🔍
11/21/2018 +3339 days 🔍
11/21/2018 +0 days 🔍
11/21/2018 +0 days 🔍
11/22/2018 +1 days 🔍
04/14/2020 +509 days 🔍

Sourcesinfo

Vendor: novell.com

Advisory: bugzilla.suse.com
Status: Not defined

CVE: CVE-2009-5153 (🔍)
GCVE (CVE): GCVE-0-2009-5153
GCVE (VulDB): GCVE-100-127052

Entryinfo

Created: 11/22/2018 07:59
Updated: 04/14/2020 12:41
Changes: 11/22/2018 07:59 (61), 04/14/2020 12:41 (1)
Complete: 🔍
Cache ID: 216::103