Opera Web Browser 7.23/7.50 Favicon Address Bar authentication spoofing

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Opera Web Browser 7.23/7.50. The affected element is an unknown function of the component Favicon Address Bar Handler. Executing a manipulation can lead to authentication spoofing. This vulnerability appears as CVE-2004-0537. The attack may be performed from remote. In addition, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Opera Web Browser 7.23/7.50 (Web Browser) and classified as problematic. This vulnerability affects some unknown functionality of the component Favicon Address Bar Handler. 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:

Opera 7.50 and earlier allows remote web sites to provide a "Shortcut Icon" (favicon) that is wider than expected, which could allow the web sites to spoof a trusted domain and facilitate phishing attacks using a wide icon and extra spaces.

The bug was discovered 05/19/2004. The weakness was presented 06/03/2004 by GreyMagic as not defined posting (Bugtraq). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2004-0537 since 06/04/2004. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but an exploit is available.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 14245 (Opera < 7.51 favicon.ico Address Bar Spoofing), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at opera.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (16307), Tenable (14245), SecurityFocus (BID 10452†), OSVDB (6590†) and Secunia (SA11762†). Additional details are provided at opera.com. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.7
VulDB Temp Score: 3.4
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: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 14245
Nessus Name: Opera < 7.51 favicon.ico Address Bar Spoofing
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14245
OpenVAS Name: Opera web browser address bar spoofing weakness (2)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Patch: opera.com

Timelineinfo

05/19/2004 🔍
06/03/2004 +15 days 🔍
06/03/2004 +0 days 🔍
06/03/2004 +0 days 🔍
06/03/2004 +0 days 🔍
06/03/2004 +0 days 🔍
06/04/2004 +0 days 🔍
06/07/2004 +3 days 🔍
08/06/2004 +60 days 🔍
08/10/2004 +4 days 🔍
08/22/2004 +12 days 🔍
03/09/2021 +6043 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: securityfocus.com⛔
Researcher: GreyMagic
Status: Not defined
Confirmation: 🔍

CVE: CVE-2004-0537 (🔍)
GCVE (CVE): GCVE-0-2004-0537
GCVE (VulDB): GCVE-100-688
X-Force: 16307 - Opera favicon address spoofing, Medium Risk
SecurityFocus: 10452 - Opera Browser Favicon Address Bar Spoofing Weakness
Secunia: 11762 - Opera Browser Favicon Displaying Address Bar Spoofing Vulnerability, Less Critical
OSVDB: 6590 - Opera favicon.ico Address Bar Spoofing
Vulnerability Center: 5154 - Spoofing in Opera <= 7.50 via Favicons in the Address Bar, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍

Entryinfo

Created: 06/07/2004 12:41
Updated: 03/09/2021 14:30
Changes: 06/07/2004 12:41 (89), 04/22/2019 10:51 (5), 03/09/2021 14:30 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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