Opera < 7.50 JavaScript Engine Array Handling DoS

medium Nessus Plugin ID 14248

Synopsis

An installed browser is vulnerable to a denial of service attack.

Description

The version of Opera on the remote host is vulnerable to an issue when handling large JavaScript arrays.

In particular, it is possible to crash the browser when performing various operations on Array objects with 99999999999999999999999 or 0x23000000 elements.

The crash is due to a segmentation fault and may be indicative of an exploitable memory corruption vulnerability, possibly resulting in arbitrary code execution.

Solution

Install Opera 7.50 or later.

Plugin Details

Severity: Medium

ID: 14248

File Name: opera_large_javascript_array_vuln.nasl

Version: 1.18

Type: Local

Agent: windows

Family: Windows

Published: 8/10/2004

Updated: 5/27/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.0

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2004-1810

Vulnerability Information

CPE: cpe:/a:opera:opera_browser

Required KB Items: installed_sw/Opera

Exploit Ease: No known exploits are available

Reference Information

CVE: CVE-2004-1810

BID: 9869

Detections

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