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.
4.8	$0-$5k	0.00

A vulnerability classified as critical has been found in Opera Web Browser 9.21 (Web Browser). Affected is an unknown code block of the component Address Bar. The manipulation with an unknown input leads to a authentication spoofing vulnerability. CWE is classifying the issue as CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. This is going to have an impact on integrity. CVE summarizes:

Opera 9.21 allows remote attackers to spoof the data: URI scheme in the address bar via a long URI with trailing whitespace, which prevents the beginning of the URI from being displayed.

The weakness was shared 07/13/2007 by Robert Swiecki (Website). The advisory is available at alt.swiecki.net. This vulnerability is traded as CVE-2007-3819 since 07/16/2007. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 26040 (GLSA-200708-17 : Opera: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (35430) and Tenable (26040). The entry 37855 is related to this item.

Productinfo

Type

• Web Browser

Vendor

• Opera

Name

• Web Browser

Version

• 9.21

License

• free

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 26040
Nessus Name: GLSA-200708-17 : Opera: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 58598
OpenVAS Name: Gentoo Security Advisory GLSA 200708-17 (opera)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
PaloAlto IPS: 🔍

Timelineinfo

07/13/2007 🔍
07/14/2007 +0 days 🔍
07/16/2007 +2 days 🔍
07/16/2007 +0 days 🔍
07/16/2007 +0 days 🔍
07/16/2007 +0 days 🔍
07/16/2007 +0 days 🔍
07/17/2007 +0 days 🔍
07/30/2007 +13 days 🔍
08/22/2007 +23 days 🔍
09/14/2007 +23 days 🔍
03/15/2015 +2739 days 🔍
07/22/2019 +1590 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: alt.swiecki.net
Researcher: Robert Swiecki
Status: Not defined

CVE: CVE-2007-3819 (🔍)
X-Force: 35430
SecurityTracker: 1018397
Vulnerability Center: 15729 - Opera Browser Vulnerability Allows Remote Attacker Data Spoofing, Medium
SecurityFocus: 24917 - Opera Web Browser Address Bar URI Spoofing Vulnerability
Secunia: 26074
OSVDB: 38122 - Opera Crafted data: URI Address Bar Spoofing
Vupen: ADV-2007-2537

See also: 🔍

Entryinfo

Created: 03/15/2015 15:58
Updated: 07/22/2019 17:27
Changes: 03/15/2015 15:58 (83), 07/22/2019 17:27 (2)
Complete: 🔍

Discussion

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