ua-parser/uap-core · Security
uap-core Regular Expression Denial of Service issue
- GHSA ID
- GHSA-fx7m-j728-mjw3
- CVE ID
- CVE-2018-20164
- Severity
- medium
- Published
- Updated
- CVSS
- 5.3 · CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS v3
- 5.3 · CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Description
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.)
CWEs
- CWE-185 · Incorrect Regular Expression
References
- https://nvd.nist.gov/vuln/detail/CVE-2018-20164 ↗
- https://github.com/ua-parser/uap-core/issues/332 ↗
- https://github.com/ua-parser/uap-core/commit/010ccdc7303546cd22b9da687c29f4a996990014 ↗
- https://github.com/ua-parser/uap-core/commit/156f7e12b215bddbaf3df4514c399d683e6cdadc ↗
- https://www.x41-dsec.de/lab/advisories/x41-2018-009-uaparser/ ↗
- https://github.com/advisories/GHSA-fx7m-j728-mjw3 ↗