Opera Web Browser up to 7.19 input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Opera Web Browser up to 7.19. This vulnerability affects unknown code. Performing a manipulation results in input validation. This vulnerability was named CVE-2008-4200. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Opera Web Browser up to 7.19 (Web Browser). It has been classified as critical. This affects an unknown code. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on integrity, and availability. The summary by CVE is:

Opera before 9.52 does not ensure that the address field of a news feed represents the feed s actual URL, which allows remote attackers to change this field to display the URL of a page containing web script controlled by the attacker.

The bug was discovered 08/20/2008. The weakness was presented 09/27/2008 by Michael A. Puls II (Website). It is possible to read the advisory at opera.com. This vulnerability is uniquely identified as CVE-2008-4200 since 09/23/2008. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 34045 (FreeBSD : opera -- multiple vulnerabilities (73ec1008-72f0-11dd-874b-0030843d3802)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115901 (Opera 9.51 Multiple Vulnerabilities).

Upgrading to version 7.20 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (34045), SecurityFocus (BID 30768†), OSVDB (47688†), Secunia (SA31549†) and SecurityTracker (ID 1020723†). See VDB-44225, VDB-44224, VDB-44222 and VDB-44221 for similar entries. Be aware that VulDB is the high quality 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: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 34045
Nessus Name: FreeBSD : opera -- multiple vulnerabilities (73ec1008-72f0-11dd-874b-0030843d3802)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 61446
OpenVAS Name: FreeBSD Ports: opera, linux-opera
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Web Browser 7.20

Timelineinfo

08/20/2008 🔍
08/20/2008 +0 days 🔍
08/20/2008 +0 days 🔍
08/25/2008 +5 days 🔍
08/26/2008 +1 days 🔍
09/23/2008 +28 days 🔍
09/27/2008 +4 days 🔍
09/27/2008 +0 days 🔍
09/27/2008 +0 days 🔍
11/10/2008 +44 days 🔍
03/17/2015 +2318 days 🔍
05/25/2025 +3722 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: opera.com
Researcher: Michael A. Puls II
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-4200 (🔍)
GCVE (CVE): GCVE-0-2008-4200
GCVE (VulDB): GCVE-100-44223
X-Force: 44559
SecurityFocus: 30768 - Opera Web Browser 9.51 Multiple Security Vulnerabilities
Secunia: 31549
OSVDB: 47688 - CVE-2008-4200 - Opera Software - Opera - Spoofing Issue
SecurityTracker: 1020723
Vulnerability Center: 19961 - Opera < 9.52 Allows URL Spoofing in News Feed Address Field, Medium
Vupen: ADV-2008-2416

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 05/25/2025 23:59
Changes: 03/17/2015 16:11 (71), 08/20/2019 14:42 (12), 08/02/2021 09:50 (3), 05/25/2025 23:59 (16)
Complete: 🔍
Cache ID: 216:C0C:103

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

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