In breve
- CVE-2020-26302 è una vulnerabilità ALTO (CVSS 7.5) che riguarda is.js (is.js project), is_js.
- Probabilità di sfruttamento nei prossimi 30 giorni (EPSS): 0.92%, superiore al 60.7% delle vulnerabilità.
- Nessuna versione corretta ancora nota: segui l'avviso del produttore nei riferimenti.
| Package | Affected versions | Patched versions |
|---|
| is.js | ≤ 0.9.0
| No fix yet |
| is_js npm | ≤ 0.9.0
| No fix yet |
Description
is.js is a general-purpose check library. Versions 0.9.0 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). is.js uses a regex copy-pasted from a gist to validate URLs. Trying to validate a malicious string can cause the regex to loop "forever." This vulnerability was found using a CodeQL query which identifies inefficient regular expressions. is.js has no patch for this issue.
NVD description
is.js is a general-purpose check library. Versions 0.9.0 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). is.js uses a regex copy-pasted from a gist to validate URLs. Trying to validate a malicious string can cause the regex to loop “forever." This vulnerability was found using a CodeQL query which identifies inefficient regular expressions. is.js has no patch for this issue.
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