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WS-2021-0012
Good to know:
Date: January 31, 2021
In uap-core before 0.11.0, some regexes are vulnerable to regular expression denial of service (REDoS) due to overlapping capture groups. This allows remote attackers to overload a server by setting the User-Agent header in an HTTP(S) request to maliciously crafted long strings.
Language: JS
Severity Score
Severity Score
Weakness Type (CWE)
Incorrect Regular Expression
CWE-185Top Fix
Upgrade Version
Upgrade to version uaparser - no_fix;ua-parser - no_fix;uap-core - 0.11.0
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | HIGH |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | REQUIRED |
| Scope (S): | CHANGED |
| Confidentiality (C): | HIGH |
| Integrity (I): | HIGH |
| Availability (A): | HIGH |