MEDIUM5.3

GHSA-fx7m-j728-mjw3

uap-core Regular Expression Denial of Service issue

Quick fix

GHSA-fx7m-j728-mjw3 — uap-core: upgrade to the fixed version with the command below.

npm install uap-core@0.6.0

Details

An issue was discovered in regex.yaml (aka regexes.yaml) in UA-Parser UAP-Core before 0.6.0. A Regular Expression Denial of Service (ReDoS) issue allows remote attackers to overload a server by setting the User-Agent header in an HTTP(S) request to a value containing a long digit string. (The UAP-Core project contains the vulnerability, propagating to all implementations.)

Are you affected?

Enter the version of the package you're using.

Affected packages

npm/uap-core

Introduced in: 0Fixed in: 0.6.0

Fixnpm install uap-core@0.6.0

References

https://nvd.nist.gov/vuln/detail/CVE-2018-20164[ADVISORY]
https://github.com/ua-parser/uap-core/issues/332[WEB]
https://github.com/ua-parser/uap-core/commit/010ccdc7303546cd22b9da687c29f4a996990014[WEB]
https://github.com/ua-parser/uap-core/commit/156f7e12b215bddbaf3df4514c399d683e6cdadc[WEB]
https://github.com/ua-parser/uap-core[PACKAGE]
https://www.x41-dsec.de/lab/advisories/x41-2018-009-uaparser[WEB]