Microsoft Windows 2000/Server 2003/XP Kerberos PKINIT Transaction memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Microsoft Windows 2000/Server 2003/XP. This affects an unknown function of the component Kerberos. The manipulation as part of PKINIT Transaction leads to memory corruption. This vulnerability is documented as CVE-2005-1982. The attack can be initiated remotely. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Microsoft Windows 2000/Server 2003/XP (Operating System). It has been rated as critical. This issue affects an unknown code of the component Kerberos. The manipulation as part of a PKINIT Transaction 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 08/09/2005. The weakness was released 08/09/2005 by Tony Chin with Shell as MS05-042 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. The identification of this vulnerability is CVE-2005-1982 since 06/17/2005. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 2000 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 19405 (MS05-042: Vulnerability in Kerberos Could Allow Denial of Service, Information Disclosure and Spoofing (899587)), 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 90269 (Kerberos Could Allow Denial of Service, Information Disclosure, and Spoofing (MS05-042)).

Applying the patch MS05-042 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 (21626), Tenable (19405), SecurityFocus (BID 14520†), OSVDB (18609†) and Secunia (SA16368†). Entry connected to this vulnerability is available at VDB-1690. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Support

  • end of life (old version)

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

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

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 19405
Nessus Name: MS05-042: Vulnerability in Kerberos Could Allow Denial of Service, Information Disclosure and Spoofing (899587)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS05-042

Timelineinfo

02/17/2000 🔍
06/17/2005 +1947 days 🔍
08/09/2005 +53 days 🔍
08/09/2005 +0 days 🔍
08/09/2005 +0 days 🔍
08/09/2005 +0 days 🔍
08/09/2005 +0 days 🔍
08/09/2005 +0 days 🔍
08/09/2005 +0 days 🔍
08/10/2005 +1 days 🔍
08/10/2005 +0 days 🔍
08/10/2005 +0 days 🔍
06/30/2025 +7264 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS05-042
Researcher: Tony Chin
Organization: Shell
Status: Confirmed

CVE: CVE-2005-1982 (🔍)
GCVE (CVE): GCVE-0-2005-1982
GCVE (VulDB): GCVE-100-1691

OVAL: 🔍

CERT: 🔍
X-Force: 21626
SecurityFocus: 14520 - Microsoft Windows Kerberos PKINIT Man In The Middle Vulnerability
Secunia: 16368 - Microsoft Windows Two Kerberos Vulnerabilities, Less Critical
OSVDB: 18609 - MS05-042 - Kerberos PKINIT - Man In The Middle - (KB899587)
SecurityTracker: 1014642
Vulnerability Center: 8897 - [MS05-042] Microsoft Windows 2000, XP and Server 2003 Kerberos PKINIT Man-In-The-Middle Attack, Low

See also: 🔍

Entryinfo

Created: 08/10/2005 11:16
Updated: 06/30/2025 09:17
Changes: 08/10/2005 11:16 (91), 07/04/2019 09:24 (4), 03/11/2021 20:09 (2), 01/04/2025 15:24 (15), 06/30/2025 09:17 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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