Opera Web Browser up to 9.20 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Opera Web Browser up to 9.20 and classified as critical. This affects an unknown part. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2007-3929. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Opera Web Browser up to 9.20 (Web Browser) and classified as critical. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Use-after-free vulnerability in the BitTorrent support in Opera before 9.22 allows user-assisted remote attackers to execute arbitrary code via a crafted header in a torrent file, which leaves a dangling pointer to an invalid object.

The bug was discovered 07/19/2007. The weakness was published 07/20/2007 by enhalos (Website). The advisory is available at opera.com. This vulnerability was named CVE-2007-3929 since 07/20/2007. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 25748 (FreeBSD : opera -- multiple vulnerabilities (12d266b6-363f-11dc-b6c9-000c6ec775d9)), 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 115599 (Opera Web Browser BitTorrent Dangling Pointer Vulnerability).

Upgrading to version 9.21 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (35509), Tenable (25748), SecurityFocus (BID 24970†), OSVDB (38123†) and Secunia (SA26138†). Similar entry is available at VDB-38837. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 25748
Nessus Name: FreeBSD : opera -- multiple vulnerabilities (12d266b6-363f-11dc-b6c9-000c6ec775d9)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 58829
OpenVAS Name: FreeBSD Ports: opera, opera-devel, 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 9.21

Timelineinfo

07/19/2007 🔍
07/19/2007 +0 days 🔍
07/19/2007 +0 days 🔍
07/19/2007 +0 days 🔍
07/19/2007 +0 days 🔍
07/19/2007 +0 days 🔍
07/20/2007 +1 days 🔍
07/20/2007 +0 days 🔍
07/20/2007 +0 days 🔍
07/23/2007 +3 days 🔍
07/29/2007 +6 days 🔍
03/15/2015 +2786 days 🔍
06/07/2025 +3737 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: opera.com
Researcher: enhalos
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-3929 (🔍)
GCVE (CVE): GCVE-0-2007-3929
GCVE (VulDB): GCVE-100-37930
X-Force: 35509
SecurityFocus: 24970 - Opera Web Browser Dangling Pointer Remote Code Execution Vulnerability
Secunia: 26138
OSVDB: 38123 - Opera Web Browser - Dangling Pointer - Remote Code Execution Issue
SecurityTracker: 1018431
Vulnerability Center: 15701 - Opera Web Browser Design Error Allows Remote Attacker to Execute Arbitrary Code, High
Vupen: ADV-2007-2584

See also: 🔍

Entryinfo

Created: 03/15/2015 15:58
Updated: 06/07/2025 20:01
Changes: 03/15/2015 15:58 (80), 07/22/2019 16:07 (5), 06/07/2025 20:01 (17)
Complete: 🔍
Cache ID: 216:67B:103

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