Security readout for executives and security teams
Plain-English summary
NASA PyBlock v1.0 through v1.3 reportedly allowed remote code execution when a victim opened a specially crafted radar data file. Business urgency depends on whether the organization uses PyBlock to process untrusted radar data. The source bundle says this was fixed in v1.4.
Executive priority
Treat as high priority only where PyBlock is present and handles untrusted radar data. Otherwise, prioritize confirmation of non-use or version status.
Technical view
The CVE description identifies a CWE-502 issue in PyBlock's radar data parsing library, leading to remote code execution through malicious radar data files. CVSS, CPEs, and detailed affected product metadata are absent in the provided bundle, so exposure must be validated by local package and workflow review.
Likely exposure
Likely limited to NASA PyBlock deployments, research systems, or data-processing pipelines using versions v1.0-v1.3, especially where radar files are received from external or untrusted sources.
Exploitation context
The provided sources describe exploitation by opening a crafted radar data file. They do not state active exploitation, and KEV status is false in the bundle.
Researcher notes
Evidence is sparse: the bundle provides the CVE description and a GitHub pull request reference, but no CVSS vector, CPEs, or exploit-status source. Avoid broad product assumptions beyond PyBlock v1.0-v1.3.
Mitigation direction
- Inventory systems, pipelines, and research workstations that use NASA PyBlock.
- Upgrade PyBlock v1.0-v1.3 installations to v1.4 or later.
- Avoid processing radar data files from untrusted sources until upgraded.
- Run file-processing jobs in isolated environments with least privilege.
- Track NASA PyBlock and CVE guidance for any additional fixes.
Validation and detection
- Confirm installed PyBlock versions on hosts and build manifests.
- Review workflows that accept radar files from partners, users, or public datasets.
- Verify radar parsing uses the upgraded v1.4 code path.
- Check whether vulnerable systems process files interactively or automatically.
- Document any compensating isolation controls around radar file processing.
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.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-1000046 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/nasa/PyBlock/pull/5CVE reference · x_refsource_CONFIRM
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.