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.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Opera Web Browser up to 11.62. It has been classified as problematic. Affected is an unknown function of the component User Input Sanitizer. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2012-3561. It is possible to launch the attack remotely. Furthermore, there is an exploit available. It is recommended to upgrade the affected component. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Detailsinfo

A vulnerability was found in Opera Web Browser up to 11.62 (Web Browser) and classified as problematic. This issue affects an unknown code of the component User Input Sanitizer. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Opera before 11.64 does not properly allocate memory for URL strings, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted string.

The weakness was disclosed 05/10/2012 by Andrey Stroganov as confirmed knowledge base article (Website). It is possible to read the advisory at opera.com. The vendor was not involved in the public release. The identification of this vulnerability is CVE-2012-3561 since 06/14/2012. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a private exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 59089 (Opera < 11.64 URL Parsing Memory Corruption), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.

Upgrading to version 11.64 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (76388), Tenable (59089), SecurityFocus (BID 53474†), OSVDB (81809†) and Secunia (SA49081†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Web Browser

Vendor

• Opera

Name

• Web Browser

Version

• 11.0
• 11.1
• 11.2
• 11.3
• 11.4
• 11.5
• 11.6
• 11.7
• 11.8
• 11.9
• 11.10
• 11.11
• 11.12
• 11.13
• 11.14
• 11.15
• 11.16
• 11.17
• 11.18
• 11.19
• 11.20
• 11.21
• 11.22
• 11.23
• 11.24
• 11.25
• 11.26
• 11.27
• 11.28
• 11.29
• 11.30
• 11.31
• 11.32
• 11.33
• 11.34
• 11.35
• 11.36
• 11.37
• 11.38
• 11.39
• 11.40
• 11.41
• 11.42
• 11.43
• 11.44
• 11.45
• 11.46
• 11.47
• 11.48
• 11.49
• 11.50
• 11.51
• 11.52
• 11.53
• 11.54
• 11.55
• 11.56
• 11.57
• 11.58
• 11.59
• 11.60
• 11.61
• 11.62

License

• free

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Private
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: 59089
Nessus Name: Opera < 11.64 URL Parsing Memory Corruption
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802654
OpenVAS Name: Opera URL Processing Arbitrary Code Execution Vulnerability (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Web Browser 11.64

Timelineinfo

05/10/2012 🔍
05/10/2012 +0 days 🔍
05/11/2012 +1 days 🔍
05/11/2012 +0 days 🔍
05/11/2012 +0 days 🔍
05/14/2012 +3 days 🔍
05/15/2012 +1 days 🔍
05/16/2012 +1 days 🔍
06/14/2012 +29 days 🔍
06/14/2012 +0 days 🔍
06/14/2012 +0 days 🔍
08/05/2012 +52 days 🔍
03/24/2021 +3153 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: opera.com
Researcher: Andrey Stroganov
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-3561 (🔍)
GCVE (CVE): GCVE-0-2012-3561
GCVE (VulDB): GCVE-100-5387
X-Force: 76388
SecurityFocus: 53474 - Opera Web Browser Prior to 11.64 Remote Code Execution Vulnerability
Secunia: 49081 - Opera URL Parsing Code Execution Vulnerability, Highly Critical
OSVDB: 81809
SecurityTracker: 1027066 - Opera URL Processing Error Lets Remote Users Execute Arbitrary Code
Vulnerability Center: 35796 - Opera Before 11.64 Improper Memory Allocation For URL String Allows Remote Code Execution \\ DoS, Medium

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

Entryinfo

Created: 05/15/2012 11:34
Updated: 03/24/2021 15:24
Changes: 05/15/2012 11:34 (76), 04/22/2019 10:52 (11), 03/24/2021 15:24 (2)
Complete: 🔍
Cache ID: 216:199:103

Discussion

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