Opera Web Browser up to 7.52 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 identified as critical has been detected in Opera Web Browser up to 7.52. Affected by this vulnerability is an unknown functionality of the component Address Bar. The manipulation leads to authentication spoofing. This vulnerability is referenced as CVE-2004-2491. Furthermore, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Opera Web Browser up to 7.52 (Web Browser). This issue affects some unknown functionality of the component Address Bar. The manipulation with an unknown input leads to a authentication spoofing vulnerability. Using CWE to declare the problem leads to CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. Impacted is integrity. The summary by CVE is:

A race condition in Opera web browser 7.53 Build 3850 causes Opera to fill in the address bar before the page has been loaded, which allows remote attackers to spoof the URL in the address bar via the window.open and location.replace HTML parameters, which facilitates phishing attacks.

The weakness was published 07/26/2004 by bitlance winter (Website). It is possible to read the advisory at archives.neohapsis.com. The identification of this vulnerability is CVE-2004-2491 since 10/25/2005. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

After immediately, there has been an exploit disclosed. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 14235 (Opera < 7.54 Multiple Function 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 to version 7.53 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (16816), Exploit-DB (24325), Tenable (14235), SecurityFocus (BID 10810†) and OSVDB (8317†). Similar entry is available at VDB-1198. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

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Version

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Website

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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 14235
Nessus Name: Opera < 7.54 Multiple Function Address Bar Spoofing
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: Web Browser 7.53

Timelineinfo

07/26/2004 🔍
07/26/2004 +0 days 🔍
07/26/2004 +0 days 🔍
07/27/2004 +1 days 🔍
07/27/2004 +0 days 🔍
08/09/2004 +12 days 🔍
08/18/2004 +9 days 🔍
12/31/2004 +135 days 🔍
10/25/2005 +298 days 🔍
03/09/2015 +3422 days 🔍
01/22/2025 +3607 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: archives.neohapsis.com
Researcher: bitlance winter
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2004-2491 (🔍)
GCVE (CVE): GCVE-0-2004-2491
GCVE (VulDB): GCVE-100-23375
X-Force: 16816
SecurityFocus: 10810 - Opera Web Browser Location Replace URI Obfuscation Weakness
Secunia: 12162
OSVDB: 8317 - Opera Multiple Function Address Bar Spoofing
Vulnerability Center: 5117 - Opera Web Browser URL Address Spoofing, Low

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

Entryinfo

Created: 03/09/2015 16:55
Updated: 01/22/2025 16:25
Changes: 03/09/2015 16:55 (75), 05/24/2019 10:01 (3), 01/22/2025 16:25 (19)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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