Denial of service in UAParser.js library
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-7733 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
UAParser.js Web applications / JS libraries |
| Vendor | Faisal Salman |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU47053
Risk: Medium
CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-7733
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The package ua-parser-js before 0.7.22 are vulnerable to Regular Expression Denial of Service (ReDoS) via the regex for Redmi Phones and Mi Pad Tablets UA.
MitigationInstall update from vendor's website.
Vulnerable software versionsUAParser.js: 0.7.0 - 0.7.21
External linkshttp://github.com/faisalman/ua-parser-js/commit/233d3bae22a795153a7e6638887ce159c63e557d
http://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBFAISALMAN-674666
http://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-674665
http://snyk.io/vuln/SNYK-JS-UAPARSERJS-610226
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
