Microsoft Internet Explorer 5/6 HTTPS Proxy information disclosure

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.
3.9$0-$5k0.00

A vulnerability was found in Microsoft Internet Explorer 5/6 (Web Browser). It has been rated as problematic. Affected by this issue is an unknown code block of the component HTTPS Proxy. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

Microsoft Internet Explorer 5.01, 5.5, and 6, when using an HTTPS proxy server that requires Basic Authentication, sends URLs in cleartext, which allows remote attackers to obtain sensitive information, aka "HTTPS Proxy Vulnerability."

The issue has been introduced in 06/02/1998. The weakness was released 12/13/2005 as MS05-054 as confirmed bulletin (Technet). The advisory is shared for download at microsoft.com. This vulnerability is handled as CVE-2005-2830 since 09/07/2005. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2751 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 20299 (MS05-054: Cumulative Security Update for Internet Explorer (905915)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins.

Applying the patch MS05-054 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 3978.

The vulnerability is also documented in the databases at X-Force (23451) and Tenable (20299). Entries connected to this vulnerability are available at 1537, 1914, 1915 and 27457.

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 20299
Nessus Name: MS05-054: Cumulative Security Update for Internet Explorer (905915)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS05-054
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

06/02/1998 🔍
09/07/2005 +2654 days 🔍
12/13/2005 +97 days 🔍
12/13/2005 +0 days 🔍
12/13/2005 +0 days 🔍
12/13/2005 +0 days 🔍
12/13/2005 +0 days 🔍
12/14/2005 +1 days 🔍
12/14/2005 +0 days 🔍
12/14/2005 +0 days 🔍
03/12/2021 +5567 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS05-054
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-2830 (🔍)
OVAL: 🔍

X-Force: 23451
SecurityTracker: 1015350 - Microsoft Internet Explorer Bug in Using HTTPS Proxies May Disclose Web URLs to Remote Users
Vulnerability Center: 9970 - [MS05-054] Microsoft Internet Explorer HTTPS Proxy Basic Authentication Information Disclosure, Medium
SecurityFocus: 15825 - Microsoft Internet Explorer HTTPS Proxy Information Disclosure Vulnerability
Secunia: 15368 - Microsoft Internet Explorer Multiple Vulnerabilities, Highly Critical
Vupen: ADV-2005-2867

See also: 🔍

Entryinfo

Created: 12/14/2005 08:26
Updated: 03/12/2021 09:33
Changes: 12/14/2005 08:26 (78), 04/07/2017 12:01 (18), 03/12/2021 09:33 (3)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!