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.
9.5	$0-$5k	0.00

A vulnerability classified as very critical has been found in Opera Web Browser (Web Browser). This affects some unknown functionality. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Opera before 10.01 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted domain name.

The weakness was released 10/28/2009 by Chris Weber (Inferno) with Casaba Security (Website). The advisory is shared at xforce.iss.net. This vulnerability is uniquely identified as CVE-2009-3831. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/25/2021). MITRE ATT&CK project uses the attack technique T1059 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 42331 (FreeBSD : opera -- multiple vulnerabilities (2fda6bd2-c53c-11de-b157-001999392805)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks.

Upgrading to version 9.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (54020) and Tenable (42331). Entries connected to this vulnerability are available at 50662 and 50124.

Productinfo

Type

• Web Browser

Vendor

• Opera

Name

• Web Browser

License

• free

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
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: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Nessus ID: 42331
Nessus Name: FreeBSD : opera -- multiple vulnerabilities (2fda6bd2-c53c-11de-b157-001999392805)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 66157
OpenVAS Name: FreeBSD Ports: opera
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Web Browser 9.0

Timelineinfo

10/28/2009 🔍
10/28/2009 +0 days 🔍
10/28/2009 +0 days 🔍
10/28/2009 +0 days 🔍
10/30/2009 +1 days 🔍
10/30/2009 +0 days 🔍
11/02/2009 +3 days 🔍
11/11/2009 +9 days 🔍
03/18/2015 +1953 days 🔍
08/25/2021 +2351 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: xforce.iss.net
Researcher: Chris Weber (Inferno)
Organization: Casaba Security
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-3831 (🔍)
OVAL: 🔍

X-Force: 54020
Vulnerability Center: 24014 - Opera \x3C 10.01 Vulnerability Allows Remote Arbitrary Code Execution via Crafted Domain Name, Medium
SecurityFocus: 36850 - Opera Web Browser prior to 10.01 Multiple Security Vulnerabilities
OSVDB: 59357 - Opera Crafted Domain Name Handling Memory Corruption Arbitrary Code Execution

See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 08/25/2021 00:12
Changes: 03/18/2015 15:15 (63), 02/17/2017 11:16 (12), 08/25/2021 00:03 (4), 08/25/2021 00:12 (1)
Complete: 🔍

Discussion

Want to stay up to date on a daily basis?

Enable the mail alert feature now!