Opera Web Browser 12.10 HTTP Response memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.3$0-$5k0.00

A vulnerability, which was classified as critical, was found in Opera Web Browser 12.10 (Web Browser). Affected is an unknown part of the component HTTP Response Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in Opera before 12.11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a long HTTP response.

The weakness was released 11/20/2012 as 1036 as confirmed advisory (Website). The advisory is shared for download at opera.com. The public release was coordinated with the vendor. This vulnerability is traded as CVE-2012-6468 since 01/02/2013. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 62984 (Opera < 12.11 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.

Upgrading to version 12.11 eliminates this vulnerability. The upgrade is hosted for download at opera.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (80153) and Tenable (62984). Entries connected to this vulnerability are available at 6995 and 63295.

Productinfo

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Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 9.6
VulDB Meta Temp Score: 8.3

VulDB Base Score: 9.6
VulDB Temp Score: 8.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 62984
Nessus Name: Opera < 12.11 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 803142
OpenVAS Name: Opera Multiple Vulnerabilities-02 Jan13 (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 12.11

Timelineinfo

11/20/2012 🔍
11/20/2012 +0 days 🔍
11/20/2012 +0 days 🔍
11/20/2012 +0 days 🔍
11/21/2012 +1 days 🔍
11/21/2012 +0 days 🔍
11/26/2012 +5 days 🔍
01/02/2013 +37 days 🔍
01/02/2013 +0 days 🔍
04/19/2021 +3029 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: 1036
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-6468 (🔍)
OVAL: 🔍

X-Force: 80153 - Opera Web browser HTTP responses buffer overflow, High Risk
SecurityFocus: 56594 - Opera Web Browser Buffer Overflow and Information Disclosure Vulnerabilities
Secunia: 51331 - Opera Buffer Overflow and Local File Detection, Highly Critical
OSVDB: 87578

See also: 🔍

Entryinfo

Created: 11/26/2012 10:40
Updated: 04/19/2021 13:59
Changes: 11/26/2012 10:40 (71), 04/22/2019 10:52 (4), 04/19/2021 13:57 (7), 04/19/2021 13:59 (1)
Complete: 🔍

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