Opera < 7.54.0 Empty CCCC Object JavaScript-based DoS

Low Log Correlation Engine Plugin ID 800840


The remote host is vulnerable to a Denial of Service (DoS) attack.


The remote host is using a version of Opera that is affected by a security weakness that may permit an attacker to crash the remote web browser by using JavaScript. Specifically, processing an empty 'CCCC' object generated using JavaScript causes Opera to crash.


Install Opera 7.54.0 or higher.

Plugin Details

Severity: Low

ID: 800840

File Name: 800840.prm

Family: Web Clients

Risk Information

Risk Factor: Low


Base Score: 5.4

Temporal Score: 4.7

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

Temporal Vector: CVSS2#E:H/RL:OF/RC:ND

Reference Information

BID: 11090