Microsoft IIS 5.0 MS01-014/MS01-016 Patches memory leak

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability classified as problematic has been found in Microsoft IIS 5.0 (Web Server). This affects an unknown code of the component MS01-014/MS01-016 Patches. The manipulation with an unknown input leads to a memory leak vulnerability. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is going to have an impact on availability. The summary by CVE is:

The Microsoft MS01-014 and MS01-016 patches for IIS 5.0 and earlier introduce a memory leak which allows attackers to cause a denial of service via a series of requests.

The issue has been introduced in 02/17/2000. The weakness was shared 06/27/2001 as MS01-026 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. This vulnerability is uniquely identified as CVE-2001-0337. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/11/2019). Due to its background and reception, this vulnerability has a historic impact.

The vulnerability was handled as a non-public zero-day exploit for at least 496 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 10732 , which helps to determine the existence of the flaw in a target environment.

Applying the patch MS01-026 is able to eliminate this problem. The bugfix is ready for download at microsoft.com.

The vulnerability is also documented in the databases at X-Force (6549) and Tenable (10732). The entries 16836, 16837 and 16838 are related to this item.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 10732

OpenVAS ID: 10732
OpenVAS Name: IIS 5.0 WebDav Memory Leakage
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS01-026
SourceFire IPS: 🔍
ISS Proventia IPS: 🔍

Timelineinfo

02/17/2000 🔍
05/17/2001 +455 days 🔍
06/27/2001 +41 days 🔍
06/27/2001 +0 days 🔍
06/27/2001 +0 days 🔍
08/24/2003 +788 days 🔍
07/04/2014 +3967 days 🔍
05/11/2019 +1772 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS01-026
Status: Confirmed

CVE: CVE-2001-0337 (🔍)
X-Force: 6549
Vulnerability Center: 1767 - [MS01-026] DoS in IIS 5.0 with MS01-014 and MS01-016 Patches via WebDAV LOCK Method, Medium
SecurityFocus: 2736 - IIS WebDav Lock Method Memory Leak DoS Vulnerability

See also: 🔍

Entryinfo

Created: 07/04/2014 16:22
Updated: 05/11/2019 20:36
Changes: 07/04/2014 16:22 (71), 05/11/2019 20:36 (2)
Complete: 🔍

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