Regular Expression Denial of Service (ReDoS) in Prism
Some languages before 1.24.0 are vulnerable to Regular Expression Denial of Service (ReDoS). ### Impact When Prism is used to highlight untrusted (user-given) text, an attacker can craft a string that will take a very very long time to highlight. Do not use the following languages to highlight untrusted text. - ASCIIDoc - ERB Other languages are __not__ affected and can be used to highlight untrusted text. ### Patches This problem has been fixed in Prism v1.24. ### References - PrismJS/prism#2774 - PrismJS/prism#2688
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-32723US | medium6.5 | — | ||
Prism is a syntax highlighting library. Some languages before 1.24.0 are vulnerable to Regular Expression Denial of Service (ReDoS). When Prism is used to highlight untrusted (user… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/PrismJS/prismPACKAGE
- https://github.com/PrismJS/prism/commit/d85e30da6755fdbe7f8559f8e75d122297167018WEB
- https://github.com/PrismJS/prism/pull/2688WEB
- https://github.com/PrismJS/prism/pull/2774WEB
- https://github.com/PrismJS/prism/security/advisories/GHSA-gj77-59wh-66hgWEB
- https://nvd.nist.gov/vuln/detail/CVE-2021-32723ADVISORY
- https://www.oracle.com/security-alerts/cpujan2022.htmlWEB
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan