Vulnerability Details : CVE-2017-18256
Brave Browser before 0.13.0 allows remote attackers to cause a denial of service (resource consumption) via a long alert() argument in JavaScript code, because window dialogs are mishandled.
Vulnerability category: Denial of service
Products affected by CVE-2017-18256
- cpe:2.3:a:brave:brave_browser:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-18256
0.36%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-18256
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
References for CVE-2017-18256
-
https://hackerone.com/reports/176066
#176066 Denial of service attack on Brave Browser.Exploit;Third Party Advisory
-
https://www.exploit-db.com/exploits/44474/
Brave Browser < 0.13.0 - 'long alert() argument' Denial of ServiceExploit;Third Party Advisory;VDB Entry
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