ReDoS vulnerability in UAParser.js library
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | N/A |
| CWE-ID | CWE-400 |
| 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) Resource exhaustion
EUVDB-ID: #VU27691
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: N/A
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to application does not properly control consumption of internal resources when parsing data with regular expressions. A remote attacker can pass specially crafted data to the application and perform a regular expression denial of service attack (ReDoS).
MitigationInstall updates from vendor's website.
Vulnerable software versionsUAParser.js: 0.1 - 0.7.17
External linkshttp://github.com/faisalman/ua-parser-js/commit/2e57a9778f0735a1e5e73e723155e155848a88af
http://github.com/faisalman/ua-parser-js/issues/298
http://github.com/faisalman/ua-parser-js/pull/299
http://github.com/faisalman/ua-parser-js/pull/299/commits/8b54a7256e56decc3b02e8f6649a5d8108f20485
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.
