Vulnerability CVE-2021-27292
Published: 2021-03-17

Description:
ua-parser-js >= 0.7.14, fixed in 0.7.24, uses a regular expression which is vulnerable to denial of service. If an attacker sends a malicious User-Agent header, ua-parser-js will get stuck processing it for an extended period of time.

Type:

NVD-CWE-Other

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Ua-parser-js project -> Ua-parser-js 

 References:
https://gist.github.com/b-c-ds/6941d80d6b4e694df4bc269493b7be76
https://github.com/faisalman/ua-parser-js/commit/809439e20e273ce0d25c1d04e111dcf6011eb566
https://github.com/pygments/pygments/commit/2e7e8c4a7b318f4032493773732754e418279a14
Copyright 2024, cxsecurity.com

 

Back to Top