Microsoft Internet Explorer 8 XSS Filter cross site scripting ⚔ [Disputed]

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer 8. It has been rated as problematic. Affected is an unknown function of the component XSS Filter. This manipulation causes cross site scripting. This vulnerability is handled as CVE-2008-5556. The attack can be initiated remotely. There is not any exploit available. It is still unclear if this vulnerability genuinely exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic was found in Microsoft Internet Explorer 8 (Web Browser). Affected by this vulnerability is an unknown function of the component XSS Filter. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

** DISPUTED ** The XSS Filter in Microsoft Internet Explorer 8.0 Beta 2 does not recognize attack patterns designed to operate against web pages that are encoded with utf-7, which allows remote attackers to bypass the XSS protection mechanism and conduct XSS attacks by injecting crafted utf-7 content. NOTE: the vendor reportedly disputes this issue, stating "Behaviour is by design."

The issue has been introduced in 03/05/2008. The weakness was released 12/12/2008. This vulnerability is known as CVE-2008-5556. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 282 days. During that time the estimated underground price was around $5k-$25k. The real existence of this vulnerability is still doubted at the moment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (47277). Entry connected to this vulnerability is available at VDB-45446. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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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OpenVAS ID: 800208
OpenVAS Name: Microsoft Internet Explorer Anti-XSS Filter Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/05/2008 🔍
12/12/2008 +281 days 🔍
12/12/2008 +0 days 🔍
12/12/2008 +0 days 🔍
03/17/2015 +2286 days 🔍
08/07/2024 +3431 days 🔍

Sourcesinfo

Vendor: microsoft.com

Status: Not defined
Disputed: 🔍

CVE: CVE-2008-5556 (🔍)
GCVE (CVE): GCVE-0-2008-5556
GCVE (VulDB): GCVE-100-45451
X-Force: 47277

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/07/2024 13:28
Changes: 03/17/2015 16:11 (42), 05/07/2019 12:42 (8), 08/03/2021 14:53 (1), 08/03/2021 14:58 (7), 08/07/2024 13:28 (16)
Complete: 🔍
Cache ID: 216::103

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

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