Denial of Service Vulnerability in Brave Browser by Brave Software
CVE-2017-18256

6.5MEDIUM

Key Information:

Vendor

Brave

Status
Brave Browser
Vendor
CVE Published:
4 April 2018

What is CVE-2017-18256?

The Brave Browser, prior to version 0.13.0, is susceptible to a denial of service attack caused by the mishandling of window dialog alerts in JavaScript. Remote attackers can exploit this vulnerability by passing excessively long arguments to the alert() function, resulting in resource overconsumption and potential crashes of the browser. This issue underscores the importance of proper validation of input parameters in web applications to prevent malicious exploitation.

References

https://hackerone.com/reports/176066
x_refsource_CONFIRM
https://www.exploit-db.com/exploits/44474/
exploitx_refsource_EXPLOIT-DB

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.