Microsoft Windows 2000/Server 2003/XP CSRSS 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.
7.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Microsoft Windows 2000/Server 2003/XP. Impacted is an unknown function of the component CSRSS. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2005-0551. The attack must be carried out from within the local network. In addition, an exploit is available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows 2000/Server 2003/XP (Operating System). It has been rated as critical. Affected by this issue is an unknown function of the component CSRSS. 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 bug was discovered . The weakness was presented 04/12/2005 by David Fritz as MS05-018 as confirmed bulletin (Technet). The advisory is available at microsoft.com. This vulnerability is handled as CVE-2005-0551 since 02/26/2005. The attack needs to approached within the local network. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available.

After 6 months, there has been an exploit disclosed. The exploit is available at securiteam.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 12885 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 18022 (MS05-018: Vulnerabilities in Windows Kernel (890859)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90243 (Windows Multiple Denial of Service and Privilege Elevation Vulnerabilities (MS05-018)).

Applying the patch MS05-018 is able to eliminate this problem. The bugfix is ready for download at windowsupdate.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (19836), Exploit-DB (1198), Tenable (18022), SecurityFocus (BID 13115†) and OSVDB (15462†). See VDB-1357, VDB-1356 and VDB-1355 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life (old version)

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.8
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 18022
Nessus Name: MS05-018: Vulnerabilities in Windows Kernel (890859)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Patch: MS05-018

Timelineinfo

02/17/2000 🔍
02/26/2005 +1836 days 🔍
04/12/2005 +45 days 🔍
04/12/2005 +0 days 🔍
04/12/2005 +0 days 🔍
04/12/2005 +0 days 🔍
04/12/2005 +0 days 🔍
04/12/2005 +0 days 🔍
04/12/2005 +0 days 🔍
04/13/2005 +0 days 🔍
04/13/2005 +0 days 🔍
05/02/2005 +19 days 🔍
09/08/2005 +129 days 🔍
07/05/2025 +7240 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS05-018
Researcher: David Fritz
Status: Confirmed

CVE: CVE-2005-0551 (🔍)
GCVE (CVE): GCVE-0-2005-0551
GCVE (VulDB): GCVE-100-1358

OVAL: 🔍
IAVM: 🔍

X-Force: 19836
SecurityFocus: 13115 - Microsoft Windows Kernel CSRSS Local Privilege Escalation Vulnerability
Secunia: 14927 - Microsoft Windows Kernel Multiple Vulnerabilities, Less Critical
OSVDB: 15462 - Microsoft Windows CSRSS Local Overflow
Vulnerability Center: 7596 - [MS05-018] Windows Kernel Allows Elevated Privileges via CSRSS, Medium

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

Entryinfo

Created: 04/13/2005 12:56
Updated: 07/05/2025 17:39
Changes: 04/13/2005 12:56 (90), 07/02/2019 11:36 (10), 03/10/2021 19:35 (2), 07/05/2025 17:39 (16)
Complete: 🔍
Cache ID: 216:FBA:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!