Security readout for executives and security teams
Plain-English summary
CVE-2022-37259 is a denial-of-service risk in StealJS steal 2.2.4. A vulnerable regular expression in babel.js can consume excessive processing time when handling crafted input, potentially making affected services or build workflows unavailable. The sources do not identify data theft, privilege escalation, or a confirmed patch.
Executive priority
Treat as a high-priority availability risk if StealJS steal 2.2.4 is present in internet-facing or business-critical paths. If usage is limited to isolated development tooling, urgency may be lower, but still requires dependency review.
Technical view
The CVE describes a CWE-1333 ReDoS in stealjs/steal 2.2.4, tied to string handling in ext/babel.js. CVSS 3.1 is 7.5: network reachable, low complexity, no privileges, no user interaction, with high availability impact and no confidentiality or integrity impact.
Likely exposure
Exposure is most likely where steal 2.2.4 processes untrusted or externally supplied JavaScript-related strings. The CVE affected-product table is incomplete, so asset teams should verify direct and transitive dependency use rather than relying only on CPE matching.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. The CVSS vector indicates a remotely triggerable availability issue, but the bundle does not prove exploit availability, observed attacks, or affected deployment patterns.
Researcher notes
Evidence is limited to the CVE record, GitHub source references, and issue 1528. The affected table lacks normalized vendor/product data, and the bundle does not name a patched version. Avoid assuming exploitation or remediation beyond the cited sources.
Mitigation direction
- Inventory applications and build workflows using stealjs/steal version 2.2.4.
- Check upstream StealJS guidance and release notes for a fixed version or workaround.
- Limit untrusted input paths that reach StealJS or bundled Babel string parsing.
- Apply dependency updates only when validated against vendor or maintainer guidance.
- Monitor affected services for abnormal CPU spikes or request latency.
Validation and detection
- Review package manifests, lockfiles, and SBOMs for stealjs/steal 2.2.4.
- Confirm whether affected code paths process user-controlled strings.
- Check GitHub issue 1528 for maintainer discussion and remediation status.
- Verify monitoring covers availability symptoms in exposed applications.
- Document any compensating controls if no vendor fix is available.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-1333: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-37259 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/stealjs/steal/blob/c9dd1eb19ed3f97aeb93cf9dcea5d68ad5d0ced9/ext/babel.js#L54124CVE reference · x_refsource_MISC
- https://github.com/stealjs/steal/issues/1528CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Inefficient Regular Expression Complexity
Inefficient Regular Expression Complexity represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.