CVE-2021-27292
Last modified
CVE-2021-27292 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 3.37% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ua-Parser-Js Project | Ua-Parser-Js | >= 0.7.14, < 0.7.24 |
References
- https://gist.github.com/b-c-ds/6941d80d6b4e694df4bc269493b7be76Exploit, Third Party Advisory
- https://github.com/faisalman/ua-parser-js/commit/809439e20e273ce0d25c1d04e111dcf6011eb566Patch, Third Party Advisory
- https://github.com/pygments/pygments/commit/2e7e8c4a7b318f4032493773732754e418279a14Patch, Third Party Advisory
- https://gist.github.com/b-c-ds/6941d80d6b4e694df4bc269493b7be76Exploit, Third Party Advisory
- https://github.com/faisalman/ua-parser-js/commit/809439e20e273ce0d25c1d04e111dcf6011eb566Patch, Third Party Advisory
- https://github.com/pygments/pygments/commit/2e7e8c4a7b318f4032493773732754e418279a14Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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