Microsoft Internet Explorer 6 Address Bar exam%A9ple.com authentication spoofing

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

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer 6. It has been declared as critical. Impacted is an unknown function of the file exam%A9ple.com of the component Address Bar. Executing a manipulation can lead to authentication spoofing. The identification of this vulnerability is CVE-2008-4788. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer 6 (Web Browser). It has been declared as critical. This vulnerability affects some unknown processing of the file exam%A9ple.com of the component Address Bar. The manipulation with an unknown input leads to a authentication spoofing vulnerability. The CWE definition for the vulnerability is CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. As an impact it is known to affect integrity. CVE summarizes:

Microsoft Internet Explorer 6 omits high-bit URL-encoded characters when displaying the address bar, which allows remote attackers to spoof the address bar via a URL with a domain name that differs from an important domain name only in these characters, as demonstrated by using exam%A9ple.com to spoof example.com, aka MSRC ticket MSRC7900.

The issue has been introduced in 03/22/2001. The weakness was shared 10/29/2008 as not defined posting (Bugtraq). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2008-4788 since 10/29/2008. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 2778 days. During that time the estimated underground price was around $25k-$100k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (46235). The entry VDB-44763 is related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Authentication spoofing
CWE: CWE-290 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/22/2001 🔍
10/29/2008 +2778 days 🔍
10/29/2008 +0 days 🔍
10/29/2008 +0 days 🔍
03/17/2015 +2330 days 🔍
08/02/2021 +2330 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: securityfocus.com
Status: Not defined

CVE: CVE-2008-4788 (🔍)
GCVE (CVE): GCVE-0-2008-4788
GCVE (VulDB): GCVE-100-44764
X-Force: 46235

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/02/2021 15:53
Changes: 03/17/2015 16:11 (48), 05/07/2019 12:42 (2), 08/02/2021 15:53 (8)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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