CVE-2021-43838
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
jsx-slack is a library for building JSON objects for Slack Block Kit surfaces from JSX. In versions prior to 4.5.1 users are vulnerable to a regular expression denial-of-service (ReDoS) attack. If attacker can put a lot of JSX elements into <blockquote> tag, an internal regular expression for escaping characters may consume an excessive amount of computing resources. jsx-slack v4.5.1 has patched to a regex for escaping blockquote characters. Users are advised to upgrade as soon as possible.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| yhatt | jsx-slack | < 4.5.1 | affected |
Weaknesses
- CWE-400: CWE-400: Uncontrolled Resource Consumption
ADP Enrichment
CVE Program Container
Additional References
- https://github.com/yhatt/jsx-slack/security/advisories/GHSA-55xv-f85c-248q
- https://github.com/yhatt/jsx-slack/commit/36e4a10405e4c7745333e245fcc5029c02c7065d
References
- https://github.com/yhatt/jsx-slack/security/advisories/GHSA-55xv-f85c-248q
- https://github.com/yhatt/jsx-slack/commit/36e4a10405e4c7745333e245fcc5029c02c7065d
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